Lewis dot-and-cross diagrams Student activity Play

Lewis structure of a hydrogen molecule Animation Play

Lewis structures (dot diagrams) for atoms Animation Play

Ligand types Student activity 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 – structural elements of membranes Student activity Play

Lipids – the energy source of the cell Student activity Play

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

Magnetic properties Student activity Play

Manufacture of hydrogen Whiteboard exercise Play

Markovnikov’s rule Student activity Play

Markovnikov’s rule Animation Play

Mass percentage of hydrogen in methane Whiteboard exercise Play

Mean bond enthalpies Class activity Play

Mean bond enthalpies Whiteboard presentation Play

Mean bond enthalpies and interactions between bonds Chart Play

Mean bond enthalpies and interactions between bonds Student activity Play

Mean bond enthalpies for some homoatomic bonds Chart Play

Mean bond enthalpy Chart Play

Mean bond enthalpy 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