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...
2.1.1 Cell Structure (Foundations in Biology), 2.1.2 Biological Molecules (Foundations in Biology), 2.1.3 Nucleotides and Nucleic Acids (Foundations in Biology)...