EL 1&2: Mass spectrometry; fusion; emission/absorption spectra, EL 3&4: Electronic configuration, atomic structure, EL 5&6: Covalent bonding, shapes of molecules, amount of substance...
Simplified P1 - Heating Houses & Keeping Homes Warms, Simplified P1 - Spectrum of Waves & Light and Lasers, Simplified P1 - Cooking and Communicating Using Waves & Data Transmission...
EL 1&2: Mass spectrometry; fusion; emission/absorption spectra, EL 3&4: Electronic configuration, atomic structure, EL 5&6: Covalent bonding, shapes of molecules, amount of substance...