2.1.1 – Atomic Structure and the Periodic Table (OCR)

This course covers atomic structure and isotopes, relative masses and mass spectrometry, electron shells, sub-shells and orbitals with configurations up to krypton, first and successive ionisation energies, and periodicity across Periods 2 and 3, aligned with OCR A Level Chemistry A 2.1.1 Atomic structure and isotopes, 2.2.1 Electron structure and 3.1.1 Periodicity.