Salts of weak acids and weak bases Student activity Play

Selected alloys Whiteboard exercise Play

Silicon and aluminium oxides Animation Play

Silver and gold coins Whiteboard exercise Play

Silver halides in photography Student activity Play

Silver nitrate Slideshow Play

Simple and giant molecular solids Whiteboard presentation Play

Sodium hydroxide Animation Play

Sodium, magnesium and aluminium oxides Animation Play

Soil as a source of minerals Student activity Play

Solubility Animation Play

Solubility of salts Student activity Play

Solubility of silver halides Whiteboard exercise Play

Solubility of silver halides in aqueous ammonia solution Animation Play

Solution of hexaaquairon(III) ions Whiteboard exercise Play

Sorting metals by their reactivity with oxygen Whiteboard exercise Play

Specific gravity Student activity Play

Spontaneous changes Animation Play

Spontaneous changes and probability Student activity Play

Stability of the metal complexes with multidentate ligands Animation Play

Standard entropy change Student activity Play

Standard hydrogen half-cell Animation Play

Standard hydrogen half-cell Student activity Play

Standard reduction potentials Student activity Play

Starch as a specific indicator Animation Play