Valence-shell electron-pair repulsion theory (VSEPR theory) Whiteboard exercise Play

Variability of data sets Student activity Play

Variable oxidation states – chromium Student activity Play

Variable oxidation states – iron and copper Whiteboard exercise Play

Variable oxidation states – iron and copper Student activity Play

Variation of electronegativity across a period (1) Student activity Play

Variation of electronegativity within a group Student activity Play

Water Student activity Play

Water as ligand Animation Play

Water molecules Whiteboard exercise Play

What are allotropes? Student activity Play

What are carboxylic acids? Student activity Play

What are polymers? (2) Student activity Play

What happens during a neutralisation reaction Student activity Play

What is bond dissociation enthalpy? Animation Play

What is cracking? Student activity Play

What is organic chemistry? Student activity Play

Why do magnesium and chlorine form the compound MgCl2, but not MgCl? Animation Play

Why does dissolving electrolytes in water cause them to dissociate? Animation Play

Why does the electronegativity change across a period? Animation Play

Why some ionic compounds do not exist Student activity Play

Word equations for reactions Student activity Play

X-ray absorption Animation Play