OCR A 2.2.2 Bonding and structure REVISION
25:53
OCR A 3.1.1 Periodicity REVISION
31:36
AQA 1.3 Bonding REVISION
27:52
SHAPES OF MOLECULES & IONS
31:39
OCR A 4.2.3 & 4.2.4 Organic synthesis and analytical techniques REVISION
11:58
OCR A 2.2.1 Electron Structure REVISION
36:29
OCR A 2.1.2 & 2.1.3 Amount of Substance, Compounds, Formulae and Equations REVISION
10:19
OCR A 3.1.2 Group 2 REVISION
19:29