Ability to react with metal salts Animation Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Acid reactions Class activity Play

Acids and alkalis Class activity Play

Acids and alkalis in everyday use Whiteboard exercise Play

Acids and alkalis in everyday use Student activity Play

Alkali metals Student activity Play

Alkalinity of hydroxides Animation Play

Alternatives to artificial fertilisers Illustration Play

Ammonia – a weak base Animation Play

Amphoteric metal hydroxides Animation Play

Application of calcium hydroxide Animation Play

Application of magnesium hydroxide Slideshow Play

Application of potassium hydroxide Slideshow Play

Application of sodium hydroxide Slideshow Play

Applications of sodium hydroxide Illustration Play

Atomic number Whiteboard exercise Play

Atomic number Student activity Play

Atomic radii Student activity Play

Atomic radii of alkali metals Animation Play

Atomic radii of alkali metals Slideshow Play

Autoionisation of water Student activity Play

Base dissociation constant Kb (1) Student activity Play

Bases Whiteboard exercise Play

Bases (1) Student activity Play