Sigma (σ) bond Student activity Play

Sigma bonds in hydrogen fluoride molecule Animation Play

Simplified rules of electrode reactions Animation Play

Single carbon–carbon bond Animation Play

Sodium cation Animation Play

Sodium cation Whiteboard exercise Play

Sodium cation Student activity Play

Sodium hydroxide Animation Play

Soil Student activity Play

Soil as a source of minerals Student activity Play

Solid, liquid and gaseous states Student activity Play

Solubility of alcohols Animation Play

Solubility of salts Student activity Play

Some solid compounds of s- and p-block metals are coloured Animation Play

sp3 Hybridisation Student activity Play

Spectral analysis Illustration Play

Spectral analysis Student activity Play

Spectrum of hydrogen Student activity Play

Spectrum of hydrogen Whiteboard exercise Play

Stability of carbocations Student activity Play

Standard electrochemical potential Whiteboard presentation Play

Standard electrochemical potential Class activity Play

Standard enthalpies of combustion for selected substances Chart Play

Standard enthalpy change Student activity Play

Standard enthalpy change for hydrogenation of ethene Animation Play