A sulphate salt with a hydrophobic alkyl chain Animation Play

Ability to react with metal salts Animation Play

Absorption and waste Class activity Play

Absorption of light by transition metal ions Animation Play

Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Absorption spectrum of Co(II) ions Whiteboard exercise Play

Absorption spectrum of Co(II) ions Illustration Play

Absorption spectrum of Ti(III) ions Illustration Play

Acid-base reactions of metal ions Class activity Play

Acid-base reactions of metal ions Whiteboard presentation Play

Acidic properties of hydrogen halides Student activity Play

Acidity reaction (hydrolysis) of metal ions Student activity Play

Acidity reaction (hydrolysis) of metal ions Whiteboard exercise Play

Application of metal sulphates Illustration Play

Arterioles and capillaries Student activity Play

Bases (2) Student activity Play

Behaviour of halide ions in the presence of silver nitrate(V) Animation Play

Bonds in polyatomic ions Animation Play

Calcium ions enter the synaptic knob Animation Play

Charges of ions of some elements Animation Play

Classification and uses of acids Student activity Play

Co-ordination number. Shapes of complex ions Animation Play

Colour of complex ions Whiteboard exercise Play