Sigma bonds in hydrogen fluoride molecule Animation Play

Simplified notation of the configuration of an element Animation Play

Small numbers Student activity Play

Sodium cation Student activity Play

Sodium cation Animation Play

Sodium chloride formation Animation Play

Sodium, magnesium and aluminium oxides Animation Play

sp3 Hybridisation Student activity Play

Specimen preparation for electron microscopy – problems and solutions Whiteboard exercise Play

Squaring a binomial sum Student activity Play

Stable electron configuration Animation Play

Stable electron configuration of neon, Ne Student activity Play

Stable electron configuration of neon, Ne Whiteboard exercise Play

Stable electron configuration of noble gases Animation Play

Standard enthalpy of atomisation Student activity Play

Standard enthalpy of atomisation of metals Animation Play

Standard enthalpy of formation for ionic compounds Student activity Play

Standard hydrogen half-cell Student activity Play

Standard hydrogen half-cell Animation Play

Standard Model Whiteboard exercise Play

Standard Model Student activity Play

Standard Model Animation Play

Statements about atoms Whiteboard exercise Play

Static electricity Student activity Play

Static electricity in action Slideshow Play