Reaction of ammonia with water Animation Play

Reaction of ethene with bromine Animation Play

Reaction of potassium bromide and potassium iodide with sulphuric acid Animation Play

Reaction with hydroxide ions Animation Play

Reactions between alkali metals and the halogens Animation Play

Reactions between alkali metals and the halogens Student activity Play

Reactions between Group 1 and 2 metals and water Student activity Play

Reactions between halogens and metals Student activity Play

Reactions between metal halides and concentrated sulphuric acid Student activity Play

Reactions between metal halides and sulphuric acid Animation Play

Reactions of complex ions Student activity Play

Reactions of fats Student activity Play

Reactions with hydrogen Student activity Play

Reactivity of halogens Student activity Play

Reactivity of halogens Simulation Play

Reactivity of the halogens Student activity Play

Redox reactions Animation Play

Relation between enthalpy of solution and enthalpy of hydration Whiteboard exercise Play

Relative atomic mass Student activity Play

Relative atomic mass and relative molecular mass Whiteboard exercise Play

Relative atomic mass and relative molecular mass Student activity Play

Role of anions in plant cells Slideshow Play

Role of macro-elements absorbed as anions Student activity Play

Role of macro-elements absorbed as anions Whiteboard exercise Play

Salts of carboxylic acids Student activity Play