Reactions of complex ions Whiteboard exercise Play

Reactions with metals Student activity Play

Recognising oxidising agents Student activity Play

Recognising oxidising and reducing agents Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Reversible and irreversible reactions Student activity Play

Salt hydrolysis Student activity Play

Salt hydrolysis Whiteboard exercise Play

Salts of strong acids and weak bases Student activity Play

Salts of strong acids and weak bases Whiteboard exercise Play

Salts of weak acids and strong bases Whiteboard exercise Play

Salts of weak acids and strong bases Student activity Play

Salts of weak acids and weak bases Animation Play

Salts of weak acids and weak bases Student activity Play

Silicon and aluminium oxides Animation Play

Simple and giant molecular solids Whiteboard presentation Play

Sodium hydroxide Animation Play

Sodium, magnesium and aluminium oxides Animation Play

Soil as a source of minerals Student activity Play

Solubility Animation Play

Solubility of salts Student activity Play

Solution of hexaaquairon(III) ions Whiteboard exercise Play

Spontaneous changes Animation Play

Spontaneous changes and probability Student activity Play