Configuration of the cobalt ion Whiteboard exercise Play

Conjugate acids and bases Student activity Play

Conjugate acid–base Animation Play

Connective tissues – general organisation Student activity Play

Conservation of mass (1) Student activity Play

Conservation of mass (1) Whiteboard exercise Play

Cooper–zinc cell Animation Play

Covalent bonding and dissociation Animation Play

Covalent bonding. Part II Whiteboard presentation Play

Covalent bonding. Part II Class activity Play

Current in gases Animation Play

Current in gases Student activity Play

Current in gases Whiteboard exercise Play

Current in liquids Animation Play

Current in liquids Whiteboard exercise Play

Current in liquids Student activity Play

Current in water Animation Play

Decomposition of calcium carbonate Animation Play

Decomposition of calcium carbonate Animation Play

Decomposition of calcium carbonate – a kinetic study Whiteboard exercise Play

Decomposition of calcium carbonate – a kinetic study Student activity Play

Decreasing the concentrations of reacting substances Animation Play

Deficiency of macro-elements Whiteboard exercise Play

Detection of the ammonium ion Whiteboard exercise Play

Detection of the ammonium ion Student activity Play