Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Student activity Play

Ligand exchange reactions Whiteboard presentation Play

Ligand exchange reactions Class activity Play

Ligand types Student activity Play

Locations of mineral ions in the soil Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Maize Slideshow Play

Metals as catalysts Animation Play

Mixing acid and ammonia Animation Play

Mixing of atomic orbitals: sp2 hybridisation Student activity Play

Molar interpretation of chemical equations (1) Student activity Play

Molar volume Whiteboard exercise Play

Molar volume (1) Student activity Play

Molar volume (1) Student activity Play

Molar volume (2) Whiteboard exercise Play

Molar volume (2) Student activity Play

Molecular crystals Whiteboard exercise Play

Molecular crystals Student activity Play

Molecular, molar and mass interpretations Animation Play

Monoprotic acids Animation Play

Mutagens Student activity Play

Neutralisation – not only in water solution Student activity Play

Nitrogen content Whiteboard exercise Play

Nitrogen cycle Student activity Play