{"id":712,"date":"2024-01-01T00:00:03","date_gmt":"2024-01-01T00:00:03","guid":{"rendered":"https:\/\/onlinelearningsystem.net\/xyz\/product\/atomic-structure-and-periodic-table-edexcel-t2\/"},"modified":"2026-06-24T07:31:44","modified_gmt":"2026-06-24T06:31:44","slug":"atomic-structure-and-periodic-table-edexcel-t2","status":"publish","type":"product","link":"https:\/\/www.onlinelearningsystem.net\/xyz\/product\/atomic-structure-and-periodic-table-edexcel-t2\/","title":{"rendered":"Atomic Structure and The Periodic Table &#8211; Topic 2"},"content":{"rendered":"<div class=\"ols-course-overview-topic-2-atomic\" style=\"max-width: 1100px; margin: 0 auto; font-family: Poppins, Arial, sans-serif; color: #1f2937; line-height: 1.7;\">\n<style>\n.ols-course-overview-topic-2-atomic .ols-spec-mobile-version {<br \/>  display: none;<br \/>}<br \/>.ols-course-overview-topic-2-atomic .ols-spec-desktop-version {<br \/>  display: block;<br \/>}<br \/>@media (max-width: 600px) {<br \/>  .ols-course-overview-topic-2-atomic .ols-spec-desktop-version {<br \/>    display: none !important;<br \/>  }<br \/>  .ols-course-overview-topic-2-atomic .ols-spec-mobile-version {<br \/>    display: block !important;<br \/>  }<br \/>}<br \/>@media (min-width: 601px) {<br \/>  .ols-course-overview-topic-2-atomic .ols-spec-desktop-version {<br \/>    display: block !important;<br \/>  }<br \/>  .ols-course-overview-topic-2-atomic .ols-spec-mobile-version {<br \/>    display: none !important;<br \/>  }<br \/>}<br \/><\/style>\n<p><!-- INTRO BANNER --><\/p>\n<div style=\"background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%); padding: 36px; border-radius: 20px; margin: 0 0 22px 0; border: 1px solid #e5e7eb; box-shadow: 0 10px 26px rgba(0,0,0,0.08);\">\n<h1 style=\"margin: 0 0 14px 0; font-size: 34px; font-weight: 600; line-height: 1.15; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35);\">Atomic Structure and The Periodic Table &#8211; Topic 2<\/h1>\n<div style=\"width: 88px; height: 5px; background: #c81e1e; border-radius: 999px; margin: 0 0 18px 0;\"><\/div>\n<p style=\"margin: 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">The Atomic Structure and The Periodic Table Topic 2 Edexcel International course provides approximately <strong>18 Hours of Guided Learning<\/strong>. Students work through guided video teaching, auto-marked MCQ practice, teacher-marked short-answer questions, and a specification assignment with a personalised progress report.<\/p>\n<\/div>\n<p><!-- STATS STRIP --><\/p>\n<div style=\"background: linear-gradient(135deg, #c81e1e 0%, #a91515 100%); padding: 18px; border-radius: 18px; margin: 0 0 34px 0; box-shadow: 0 10px 24px rgba(200,30,30,0.18);\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px;\">\n<div style=\"flex: 1 1 200px; min-width: 180px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 14px 16px; color: #ffffff;\">\n<div style=\"font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.88;\">Guided Learning<\/div>\n<div style=\"font-size: 24px; font-weight: bold; line-height: 1.2;\">18 Hours<\/div>\n<\/div>\n<div style=\"flex: 1 1 200px; min-width: 180px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 14px 16px; color: #ffffff;\">\n<div style=\"font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.88;\">Video Lessons<\/div>\n<div style=\"font-size: 24px; font-weight: bold; line-height: 1.2;\">369 mins<\/div>\n<\/div>\n<div style=\"flex: 1 1 200px; min-width: 180px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 14px 16px; color: #ffffff;\">\n<div style=\"font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.88;\">MCQ Assessments<\/div>\n<div style=\"font-size: 24px; font-weight: bold; line-height: 1.2;\">86 Marks<\/div>\n<\/div>\n<div style=\"flex: 1 1 200px; min-width: 180px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 14px 16px; color: #ffffff;\">\n<div style=\"font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.88;\">SAQ Assessments<\/div>\n<div style=\"font-size: 24px; font-weight: bold; line-height: 1.2;\">215 Marks<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- VIRTUAL LESSON --><\/p>\n<div style=\"background: #f3f4f6; padding: 30px; border-radius: 18px; margin: 0 0 28px 0; border: 1px solid #e5e7eb; box-shadow: 0 7px 18px rgba(0,0,0,0.08);\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Guided Video Teaching<\/div>\n<h3 style=\"margin: 0 0 18px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35); border-left: 6px solid #c81e1e; padding-left: 14px;\">Virtual Lesson<\/h3>\n<p style=\"margin: 0 0 16px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">The recorded lessons teach atomic structure, mass spectrometry, ionisation energy, electron configuration, and periodic trends.<\/p>\n<p style=\"margin: 0 0 22px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #4b5563;\">Students pause during exam-practice sections, attempt questions independently, then review the worked explanations and mark scheme approach.<\/p>\n<div style=\"background: #ffffff; padding: 14px; border-radius: 14px; border: 1px solid #e5e7eb; box-shadow: 0 3px 10px rgba(0,0,0,0.05);\">\n<div style=\"position: relative; width: 100%; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 10px;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 10px;\" title=\"Atomic Structure and The Periodic Table Topic 2 Edexcel International A Level Chemistry Virtual Lesson\" src=\"https:\/\/www.youtube.com\/embed\/Fu_PA7Ec6Fk\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<\/div>\n<\/div>\n<p><!-- ASSIGNMENT REPORT --><\/p>\n<div style=\"background: #f3f4f6; padding: 30px; border-radius: 18px; margin: 0 0 34px 0; border: 1px solid #e5e7eb; box-shadow: 0 7px 18px rgba(0,0,0,0.08);\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Specialist Marking<\/div>\n<h3 style=\"margin: 0 0 18px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35); border-left: 6px solid #c81e1e; padding-left: 14px;\">Assignment &amp; Progress Report<\/h3>\n<p style=\"margin: 0 0 16px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">The 47-mark assignment assesses the full Topic 2 specification, including atomic structure, isotopes, mass spectrometry, ionisation energies, electron configuration, and periodic trends.<\/p>\n<p style=\"margin: 0 0 22px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #4b5563;\">After marking, students receive a colour-coded progress report showing secure areas, partial understanding, and specification points requiring further revision.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-2545 aligncenter\" style=\"display: block; width: 100%; max-width: 480px; height: auto; border-radius: 14px; margin: 0 auto; box-shadow: 0 6px 24px rgba(0,0,0,0.12);\" title=\"A Level Chemistry Progress Report Atomic Structure and The Periodic Table Specification Feedback\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-progress-report-atomic-structure-periodic-table-spec-feedback.webp\" alt=\"A Level Chemistry progress report showing student performance in atomic structure and periodic table topics with colour coded specification levels\" width=\"830\" height=\"1174\" \/><\/p>\n<\/div>\n<p><!-- MCQ --><\/p>\n<div style=\"background: #f3f4f6; padding: 30px; border-radius: 18px; margin: 0 0 28px 0; border: 1px solid #e5e7eb; box-shadow: 0 7px 18px rgba(0,0,0,0.08);\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Instant Feedback<\/div>\n<h2 style=\"margin: 0 0 18px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35); border-left: 6px solid #c81e1e; padding-left: 14px;\">Multiple Choice Question Assessments<\/h2>\n<p style=\"margin: 0 0 16px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">Five auto-marked MCQ quizzes provide 86 marks of targeted practice across Topic 2.<\/p>\n<p style=\"margin: 0 0 22px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #4b5563;\">Each option includes diagnostic feedback, so students can see why the correct answer is right and why each incorrect option loses marks.<\/p>\n<div style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 14px; padding: 16px; margin: 0 0 22px 0;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 10px;\">\n<div style=\"flex: 1 1 130px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 12px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">MCQ A<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 130px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 12px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">MCQ B<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 130px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 12px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">MCQ C<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 130px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 12px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">MCQ D<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 130px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 12px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">MCQ E<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">6<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2532\" style=\"display: block; width: 100%; max-width: 700px; height: auto; border-radius: 14px; margin: 0 auto; box-shadow: 0 6px 24px rgba(0,0,0,0.12);\" title=\"A Level Chemistry Ionisation Energy MCQ Identifying Group 2 Element for YF2\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-ionisation-energy-mcq-group-2-yf2-identification.webp\" alt=\"A Level Chemistry multiple choice question using first ionisation energy data to identify which element forms YF2 with explanation of Group 2 behaviour\" width=\"870\" height=\"779\" \/><\/p>\n<\/div>\n<p><!-- SAQ --><\/p>\n<div style=\"background: #f3f4f6; padding: 30px; border-radius: 18px; margin: 0 0 28px 0; border: 1px solid #e5e7eb; box-shadow: 0 7px 18px rgba(0,0,0,0.08);\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Detailed Written Feedback<\/div>\n<h2 style=\"margin: 0 0 18px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35); border-left: 6px solid #c81e1e; padding-left: 14px;\">Short Answer Question Assessments<\/h2>\n<p style=\"margin: 0 0 16px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">Nine teacher-marked short-answer quizzes provide 215 marks of written exam practice across Topic 2.<\/p>\n<p style=\"margin: 0 0 16px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #374151;\">Students may attempt all SAQ quizzes. A maximum of two SAQ quizzes can be submitted per week, and each submission is marked by a real chemistry teacher within three working days.<\/p>\n<p style=\"margin: 0 0 22px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #4b5563;\">Feedback identifies what was correct, what was missing, and how to improve exam-standard written responses.<\/p>\n<div style=\"background: #ffffff; border: 1px solid #e5e7eb; border-radius: 14px; padding: 16px; margin: 0 0 22px 0;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 10px;\">\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ A<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">27<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ B<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ C<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">24<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ D<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ E<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">27<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ F<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">20<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ G<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">22<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ H<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">25<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<div style=\"flex: 1 1 95px; background: #fff7f7; border: 1px solid #f1d2d2; border-radius: 12px; padding: 10px; text-align: center;\">\n<div style=\"font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.4px;\">SAQ I<\/div>\n<div style=\"font-size: 22px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">30<\/div>\n<div style=\"font-size: 12px; color: #6b7280;\">marks available<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2533\" style=\"display: block; width: 100%; max-width: 700px; height: auto; border-radius: 14px; margin: 0 auto; box-shadow: 0 6px 24px rgba(0,0,0,0.12);\" title=\"A Level Chemistry Electronic Structure SAQ Feedback Boron Aluminium Thallium Comparison\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-electronic-structure-saq-boron-aluminium-thallium-feedback.webp\" alt=\"A Level Chemistry short answer feedback comparing electronic structures of boron aluminium and thallium with shell configurations and group trends\" width=\"931\" height=\"840\" \/><\/p>\n<\/div>\n<p><!-- SPECIFICATION DESKTOP --><\/p>\n<div class=\"ols-spec-desktop-version\" style=\"background: #f3f4f6; padding: 30px; border-radius: 18px; margin: 0 0 28px 0; border: 1px solid #e5e7eb; box-shadow: 0 7px 18px rgba(0,0,0,0.08);\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Exam Board Alignment<\/div>\n<h2 style=\"margin: 0 0 18px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #1c244b; text-shadow: -9px 0 9px rgba(28,36,75,0.35); border-left: 6px solid #c81e1e; padding-left: 14px;\"><a style=\"color: #1c244b; text-decoration: none;\" href=\"https:\/\/qualifications.pearson.com\/en\/qualifications\/edexcel-international-advanced-levels\/chemistry-2018.html\" target=\"_blank\" rel=\"noopener\">Atomic Structure and The Periodic Table Topic 2 Edexcel International<\/a><\/h2>\n<p style=\"margin: 0 0 18px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">The Atomic Structure and The Periodic Table Topic 2 Edexcel International course covers the following Edexcel International A Level Chemistry specification points:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 12px;\">\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.1<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">know the structure of an atom in terms of electrons, protons and neutrons<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.2<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">know the relative mass and charge of protons, neutrons and electrons<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.3<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">know what is meant by the terms &#8216;atomic (proton) number&#8217; and &#8216;mass number&#8217;<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.4<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to use the atomic number and the mass number to determine the number of each type of subatomic particle in an atom or ion<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.5<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">understand the term &#8216;isotope&#8217;<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #b91c1c; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.6<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; margin: 0;\">\n<div style=\"font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0 0 10px 0;\">understand the basic principles of a mass spectrometer and be able to analyse and interpret mass spectra to:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 6px;\">\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">i<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">deduce the isotopic composition of a sample of an element<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">ii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">calculate the relative atomic mass of an element from relative abundances of isotopes and vice versa<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">iii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">determine the relative molecular mass of a molecule, and hence identify molecules in a sample<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">iv<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">understand that ions in a mass spectrometer may have a 2+ charge<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.7<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to predict mass spectra, including relative peak heights, for diatomic molecules, including chlorine, given the isotopic abundances<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.8<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to define first, second and third ionisation energies and understand that all ionisation energies are endothermic<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.9<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">know that an orbital is a region within an atom that can hold up to two electrons with opposite spins<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.10<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">understand how ionisation energies are influenced by the number of protons in the nucleus, the electron shielding and the sub-shell from which the electron is removed<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #b91c1c; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.11<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; margin: 0;\">\n<div style=\"font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0 0 10px 0;\">know that ideas about electronic structure developed from:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 6px;\">\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">i<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">an understanding that successive ionisation energies provide evidence for the existence of quantum shells and the group to which the element belongs<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">ii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">an understanding that the first ionisation energy of successive elements provides evidence for electron sub-shells<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.12<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to describe the shapes of <em>s<\/em> and <em>p<\/em> orbitals<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #b91c1c; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.13<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; margin: 0;\">\n<div style=\"font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0 0 10px 0;\">know that orbitals in sub-shells:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 6px;\">\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">i<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">each take a single electron before pairing up<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">ii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">pair up with two electrons of opposite spin<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.14<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to predict the electronic configuration of atoms of the elements from hydrogen to krypton inclusive and their ions, using <em>s<\/em>, <em>p<\/em>, <em>d<\/em> notation and electron-in-boxes notation<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.15<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">understand that electronic configuration determines the chemical properties of an element<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.16<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">know that the Periodic Table is divided into blocks, such as <em>s<\/em>, <em>p<\/em> and <em>d<\/em>, and know the number of electrons that can occupy <em>s<\/em>, <em>p<\/em> and <em>d<\/em> sub-shells in the first four quantum shells<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #c81e1e; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.17<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0;\">be able to represent data, in a graphical form (including the use of logarithms of first ionisation energies on a graph) for elements 1 to 36 and hence explain the meaning of the term &#8216;periodic property&#8217;<\/div>\n<\/div>\n<div class=\"ols-spec-row\" style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-spec-num\" style=\"flex: 0 0 90px; background: #b91c1c; color: #ffffff; font-size: 18px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; margin: 0;\">2.18<\/div>\n<div class=\"ols-spec-body\" style=\"flex: 1; padding: 16px 20px; margin: 0;\">\n<div style=\"font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151; margin: 0 0 10px 0;\">be able to explain:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 6px;\">\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">i<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">the trends in melting and boiling temperatures of the elements of Periods 2 and 3 of the Periodic Table in terms of the structure of the element and the bonding between its atoms or molecules<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">ii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">the general increase and the specific trends in ionisation energy of the elements across Periods 2 and 3 of the Periodic Table<\/div>\n<\/div>\n<div class=\"ols-subitem-row\" style=\"display: flex; align-items: stretch; background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden; margin: 0 !important; padding: 0 !important;\">\n<div class=\"ols-subitem-num\" style=\"flex: 0 0 70px; background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 12px 10px; margin: 0;\">iii<\/div>\n<div class=\"ols-subitem-body\" style=\"flex: 1; padding: 12px 16px; font-size: 15px; font-weight: 300; line-height: 1.8; color: #4b5563; margin: 0;\">the decrease in first ionisation energy down a group<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- SPECIFICATION MOBILE --><\/p>\n<div class=\"ols-spec-mobile-version\" style=\"max-width: 1100px; margin: 0 auto 28px auto; font-family: Arial, Helvetica, sans-serif; color: #1f2937; line-height: 1.7;\">\n<div style=\"background: linear-gradient(135deg, #fff7f7 0%, #fef2f2 100%); border: 1px solid #f3d6d6; border-radius: 22px; padding: 26px; box-shadow: 0 10px 26px rgba(0,0,0,0.08);\">\n<div style=\"margin: 0 0 22px 0;\">\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; border: 1px solid #f1d2d2; font-size: 12px; font-weight: bold; padding: 7px 13px; border-radius: 999px; margin: 0 0 14px 0;\">Specification Coverage<\/div>\n<h2 style=\"margin: 0 0 12px 0; font-size: 34px; line-height: 1.2; color: #111827;\">Students will be assessed on their ability to:<\/h2>\n<div style=\"width: 88px; height: 5px; background: #c81e1e; border-radius: 999px; margin: 0 0 16px 0;\"><\/div>\n<p style=\"margin: 0; font-size: 18px; line-height: 1.8; color: #374151;\">The following specification points outline the knowledge and skills<br \/>\nstudents are expected to demonstrate.<\/p>\n<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 12px;\">\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.1<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know the structure of an atom in terms of electrons, protons and<br \/>\nneutrons<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.2<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know the relative mass and charge of protons, neutrons and electrons<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.3<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know what is meant by the terms \u2018atomic (proton) number\u2019 and \u2018mass<br \/>\nnumber\u2019<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.4<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to use the atomic number and the mass number to determine the<br \/>\nnumber of each type of subatomic particle in an atom or ion<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.5<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand the term \u2018isotope\u2019<\/div>\n<\/div>\n<div style=\"background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #b91c1c; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.6<\/div>\n<div style=\"padding: 18px 20px;\">\n<div style=\"font-size: 17px; line-height: 1.8; color: #374151; margin: 0 0 12px 0;\">understand the basic principles of a mass spectrometer and be able<br \/>\nto analyse and interpret mass spectra to:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 10px;\">\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">i<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">deduce the isotopic composition of a sample of an element<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">ii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">calculate the relative atomic mass of an element from relative<br \/>\nabundances of isotopes and vice versa<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">iii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">determine the relative molecular mass of a molecule, and hence<br \/>\nidentify molecules in a sample<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">iv<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">understand that ions in a mass spectrometer may have a 2+ charge<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.7<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to predict mass spectra, including relative peak heights, for<br \/>\ndiatomic molecules, including chlorine, given the isotopic abundances<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.8<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to define first, second and third ionisation energies and<br \/>\nunderstand that all ionisation energies are endothermic<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.9<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know that an orbital is a region within an atom that can hold up to<br \/>\ntwo electrons with opposite spins<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.10<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand how ionisation energies are influenced by the number of<br \/>\nprotons in the nucleus, the electron shielding and the sub-shell from<br \/>\nwhich the electron is removed<\/div>\n<\/div>\n<div style=\"background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #b91c1c; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.11<\/div>\n<div style=\"padding: 18px 20px;\">\n<div style=\"font-size: 17px; line-height: 1.8; color: #374151; margin: 0 0 12px 0;\">know that ideas about electronic structure developed from:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 10px;\">\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">i<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">an understanding that successive ionisation energies provide<br \/>\nevidence for the existence of quantum shells and the group to<br \/>\nwhich the element belongs<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">ii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">an understanding that the first ionisation energy of successive<br \/>\nelements provides evidence for electron sub-shells<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.12<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to describe the shapes of s and p orbitals<\/div>\n<\/div>\n<div style=\"background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #b91c1c; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.13<\/div>\n<div style=\"padding: 18px 20px;\">\n<div style=\"font-size: 17px; line-height: 1.8; color: #374151; margin: 0 0 12px 0;\">know that orbitals in sub-shells:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 10px;\">\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">i<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">each take a single electron before pairing up<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">ii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">pair up with two electrons of opposite spin<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.14<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to predict the electronic configuration of atoms of the<br \/>\nelements from hydrogen to krypton inclusive and their ions, using s,<br \/>\np, d notation and electron-in boxes notation<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.15<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand that electronic configuration determines the chemical<br \/>\nproperties of an element<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.16<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know that the Periodic Table is divided into blocks, such as s, p and<br \/>\nd, and know the number of electrons that can occupy s, p and d<br \/>\nsub-shells in the first four quantum shells<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #ead4d4; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #c81e1e; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.17<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to represent data, in a graphical form (including the use of<br \/>\nlogarithms of first ionisation energies on a graph) for elements 1 to<br \/>\n36 and hence explain the meaning of the term \u2018periodic property\u2019<\/div>\n<\/div>\n<div style=\"background: #fff5f5; border: 1px solid #efcaca; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"background: #b91c1c; color: #ffffff; font-size: 16px; font-weight: bold; text-align: center; height: 34px; line-height: 34px;\">2.18<\/div>\n<div style=\"padding: 18px 20px;\">\n<div style=\"font-size: 17px; line-height: 1.8; color: #374151; margin: 0 0 12px 0;\">be able to explain:<\/div>\n<div style=\"display: flex; flex-direction: column; gap: 10px;\">\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">i<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">the trends in melting and boiling temperatures of the elements<br \/>\nof Periods 2 and 3 of the Periodic Table in terms of the<br \/>\nstructure of the element and the bonding between its atoms or<br \/>\nmolecules<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">ii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">the general increase and the specific trends in ionisation<br \/>\nenergy of the elements across Periods 2 and 3 of the Periodic<br \/>\nTable<\/div>\n<\/div>\n<div style=\"background: #ffffff; border: 1px solid #f1d5d5; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fca5a5; color: #7f1d1d; font-size: 14px; font-weight: bold; text-align: center; height: 30px; line-height: 30px;\">iii<\/div>\n<div style=\"padding: 14px 16px; font-size: 16px; line-height: 1.8; color: #4b5563;\">the decrease in first ionisation energy down a group<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- CTA --><\/p>\n<div style=\"background: linear-gradient(135deg, #c81e1e 0%, #a91515 100%); padding: 30px; border-radius: 20px; margin: 0 0 12px 0; color: #ffffff; box-shadow: 0 10px 26px rgba(200,30,30,0.22);\">\n<div style=\"font-size: 12px; font-weight: bold; letter-spacing: 0.5px; text-transform: uppercase; opacity: 0.9; margin: 0 0 10px 0;\">Complete Topic Package<\/div>\n<h3 style=\"margin: 0 0 12px 0; font-size: 30px; font-weight: 600; line-height: 1.2; color: #ffffff; text-shadow: -9px 0 9px rgba(28,36,75,0.35);\">Learn the content, practise exam questions, and identify exactly where marks are being lost.<\/h3>\n<p style=\"margin: 0 0 18px 0; font-size: 18px; font-weight: 300; line-height: 1.8; color: #fef2f2;\">This course combines guided video teaching, diagnostic MCQs, teacher-marked written assessment, and detailed specification reporting for Edexcel International A Level Chemistry.<\/p>\n<div style=\"display: inline-block; background: #ffffff; color: #c81e1e; font-weight: bold; font-size: 15px; padding: 12px 18px; border-radius: 999px;\">Exam-focused learning with clear performance feedback<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Atomic Structure and The Periodic Table &#8211; Topic 2 The Atomic Structure and The Periodic Table Topic 2 Edexcel International course provides approximately 18 Hours of Guided Learning. Students work through guided video teaching, auto-marked MCQ practice, teacher-marked short-answer questions, and a specification assignment with a personalised progress report. Guided Learning 18 Hours Video Lessons [&hellip;]<\/p>\n","protected":false},"featured_media":2946,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[308],"product_tag":[],"class_list":["post-712","product","type-product","status-publish","has-post-thumbnail","product_cat-edexcel-international-a-level-chemistry","first","outofstock","virtual","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product\/712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/comments?post=712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/media\/2946"}],"wp:attachment":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/media?parent=712"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_brand?post=712"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_cat?post=712"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_tag?post=712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}