Some properties of division – a factor of a sum Animation Play

Squares and cubes Student activity Play

Squares and cubes Whiteboard exercise Play

Squares of numbers Whiteboard exercise Play

Stability of carbocations Animation Play

Stability of carbocations Student activity Play

Stability of fragmentation ions Student activity Play

Standard enthalpy change. Hess’s law Class activity Play

Standard enthalpy change. Hess’s law Whiteboard presentation Play

Standard enthalpy of atomisation Student activity Play

Standard enthalpy of atomisation of metals Animation Play

Standard entropy change Student activity Play

Standard reduction potentials Student activity Play

Static electricity Student activity Play

Static electricity in technology Whiteboard exercise Play

Static electricity in technology Student activity Play

Static electricity in technology Animation Play

Strange elementary particles Student activity Play

Structure and acidity of carboxylic acids Animation Play

Structure and naming of carboxylic acids Student activity Play

Structure and properties of water Student activity Play

Structure of ionic crystals Student activity Play

Structure of ionic crystals Whiteboard exercise Play

Structure of ionic crystals Animation Play

Substitution reactions of alcohols Student activity Play