{"id":714,"date":"2024-01-01T00:00:04","date_gmt":"2024-01-01T00:00:04","guid":{"rendered":"https:\/\/onlinelearningsystem.net\/xyz\/product\/ionic-bonding-metallic-bonding-edexcel-3a-d\/"},"modified":"2026-06-24T07:31:58","modified_gmt":"2026-06-24T06:31:58","slug":"ionic-bonding-metallic-bonding-edexcel-3a-d","status":"publish","type":"product","link":"https:\/\/www.onlinelearningsystem.net\/xyz\/product\/ionic-bonding-metallic-bonding-edexcel-3a-d\/","title":{"rendered":"Ionic Bonding and Metallic Bonding &#8211; Topic 3A\/3D"},"content":{"rendered":"<div class=\"ols-course-overview-topic-3ad\" style=\"max-width: 1100px; margin: 0 auto; font-family: Poppins, Arial, sans-serif; color: #1f2937; line-height: 1.7;\">\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);\">Ionic Bonding and Metallic Bonding &#8211; Topic 3A\/D<\/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 Ionic Bonding and Metallic Bonding Topic 3A\/D Edexcel International A Level Chemistry course provides approximately <strong>11 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;\">11 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;\">288 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;\">51 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;\">68 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 the key chemistry and the exam technique needed to apply it accurately.<\/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=\"Ionic Bonding and Metallic Bonding Topic 3A\/D 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 23-mark assignment assesses the full Topic 3A\/D specification, including ions, ionic bonding, ionic radii, polarisation, metallic bonding, and the properties of metals.<\/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-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 Ionic &amp; Metallic Bonding Specification Feedback\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-progress-report-ionic-bonding-metallic-bonding-spec-feedback.jpg\" alt=\"A Level Chemistry progress report showing student performance against specification points for ionic and metallic bonding with colour coded 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;\">Three auto-marked MCQ quizzes provide 51 marks of targeted practice across Topic 3A\/D.<\/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;\">11<\/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\" 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 Ionic Bonding MCQ Ionic Radii and Bond Strength\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-ionic-bonding-mcq-ionic-radii-strength-question.jpg\" alt=\"A Level Chemistry multiple choice question showing ionic radii data for Na K F and Cl with explanation of strongest ionic bonding\" 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;\">Three teacher-marked short-answer quizzes provide 68 marks of written exam practice across Topic 3A\/D.<\/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 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;\">SAQ A<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">21<\/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;\">SAQ B<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">19<\/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;\">SAQ C<\/div>\n<div style=\"font-size: 24px; font-weight: bold; color: #c81e1e; line-height: 1.2;\">28<\/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\" 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 Metallic Bonding SAQ Feedback Magnesium vs Sodium\" src=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/2026\/04\/a-level-chemistry-metallic-bonding-saq-marking-feedback-magnesium-sodium.webp\" alt=\"A Level Chemistry short answer question feedback explaining why magnesium has stronger metallic bonding than sodium with reference to Mg2 plus ions and delocalised electrons\" 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\">Ionic Bonding and Metallic Bonding Topic 3A\/D Edexcel International<\/a><\/h2>\n<p style=\"margin: 0 0 18px 0; font-size: 19px; font-weight: 300; line-height: 1.8; color: #374151;\">This course covers the following Edexcel International A Level Chemistry specification points:<\/p>\n<div style=\"display: flex; flex-direction: column; gap: 12px;\">\n<div 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);\">\n<div 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;\">3.1<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">know and be able to interpret evidence for the existence of ions, limited to physical properties of ionic compounds, electron density maps and the migration of ions<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.2<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">be able to describe the formation of ions in terms of loss or gain of electrons<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.3<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">be able to draw dot-and-cross diagrams to show electrons in cations and anions<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.4<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">be able to describe ionic crystals as giant lattices of ions<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.5<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">know that ionic bonding is the result of strong net electrostatic attraction between ions<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.6<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">understand the effects of ionic radius and ionic charge on the strength of ionic bonding<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.7<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">understand reasons for the trends in ionic radii down a group in the Periodic Table, and for a set of isoelectronic ions, including N\u00b3\u207b to Al\u00b3\u207a<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.8<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">understand the meaning of the term \u2018polarisation\u2019 as applied to ions<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.9<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">understand that the polarising power of a cation depends on its radius and charge, and the polarisability of an anion also depends on its radius and charge<\/div>\n<\/div>\n<div style=\"display: flex; flex-wrap: nowrap; align-items: stretch; background: #f0f9ff; border: 1px solid #bae6fd; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.05);\">\n<div style=\"flex: 0 0 90px; background: #0369a1; color: #ffffff; font-size: 13px; font-weight: bold; display: flex; align-items: center; justify-content: center; padding: 18px 12px; text-align: center;\">Practical<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">Further suggested practical: The migration of ions in a U-tube using copper(II) chromate solution or on a microscope slide using potassium manganate(VII) crystals<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.20<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">understand that metals consist of giant lattices of metal ions in a sea of delocalised electrons<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.21<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">know that metallic bonding is the strong electrostatic attraction between metal ions and the delocalised electrons<\/div>\n<\/div>\n<div 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);\">\n<div 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;\">3.22<\/div>\n<div style=\"flex: 1; padding: 16px 20px; font-size: 16px; font-weight: 300; line-height: 1.8; color: #374151;\">be able to use the models in 3.20 and 3.21 to interpret simple properties of metals, including electrical conductivity and high melting temperature<\/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 students 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;\">3.1<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know and be able to interpret evidence for the existence of ions, limited to physical properties of ionic compounds, electron density maps and the migration of ions<\/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;\">3.2<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to describe the formation of ions in terms of loss or gain of 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;\">3.3<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to draw dot-and-cross diagrams to show electrons in cations and anions<\/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;\">3.4<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to describe ionic crystals as giant lattices of ions<\/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;\">3.5<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know that ionic bonding is the result of strong net electrostatic attraction between ions<\/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;\">3.6<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand the effects of ionic radius and ionic charge on the strength of ionic bonding<\/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;\">3.7<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand reasons for the trends in ionic radii down a group in the Periodic Table, and for a set of isoelectronic ions, including N3\u2212 to Al3+<\/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;\">3.8<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand the meaning of the term \u2018polarisation\u2019 as applied to ions<\/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;\">3.9<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand that the polarising power of a cation depends on its radius and charge, and the polarisability of an anion also depends on its radius and charge<\/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;\">3.20<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">understand that metals consist of giant lattices of metal ions in a sea of delocalised 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;\">3.21<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">know that metallic bonding is the strong electrostatic attraction between metal ions and the delocalised 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;\">3.22<\/div>\n<div style=\"padding: 18px 20px; font-size: 17px; line-height: 1.8; color: #374151;\">be able to use the models in 3.20 and 3.21 to interpret simple properties of metals, including electrical conductivity and high melting temperature<\/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>Ionic Bonding and Metallic Bonding &#8211; Topic 3A\/D The Ionic Bonding and Metallic Bonding Topic 3A\/D Edexcel International A Level Chemistry course provides approximately 11 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 11 Hours Video [&hellip;]<\/p>\n","protected":false},"featured_media":2949,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[308],"product_tag":[],"class_list":["post-714","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\/714","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=714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/media\/2949"}],"wp:attachment":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/media?parent=714"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_brand?post=714"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_cat?post=714"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/product_tag?post=714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}