Lewis dot-and-cross diagrams Student activity Play

Lewis structure of a hydrogen molecule Animation Play

Lewis structures (dot diagrams) for atoms Animation Play

Light phase and dark phase of photosynthesis Animation Play

Light phase and dark phase of photosynthesis Student activity Play

Limitations of Bohr's atomic model Animation Play

Lipids – the energy source of the cell Student activity Play

Manufacture of hydrogen Whiteboard exercise Play

Markovnikov’s rule Student activity Play

Mass percentage of hydrogen in methane Whiteboard exercise Play

Mean bond enthalpies and interactions between bonds Chart Play

Mean bond enthalpies and interactions between bonds Student activity Play

Meaning of the symbol pH Animation Play

Measurement of the volume of gas during decomposition of a substance Animation Play

Melting Student activity Play

Melting and boiling points (2) Student activity Play

Melting and boiling points of sodium, magnesium and aluminium Animation Play

Melting points of alkali metals and alkaline-earth metals Animation Play

Metal alloys Student activity Play

Metallic bonding Student activity Play

Metallic bonding Animation Play

Metals Student activity Play

Metals easily form cations Student activity Play

Metals easily form cations Whiteboard exercise Play

Methods for metal extraction Student activity Play