Le Chatelier's principle Student activity 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

Ligand types Glossary Play

Locations of mineral ions in the soil Whiteboard exercise Play

Magnesium chloride Animation Play

Main process Animation Play

Malleable and ductile metals Student activity Play

Mass spectrometer Student activity Play

Mass spectrometer Animation Play

Mass spectrometry of elements Student activity Play

Mass spectrometry. Part II Class activity Play

Mass spectrometry. Part II Whiteboard presentation Play

Mass spectrum of neon Animation Play

Meaning of the symbol pH Animation 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

Melting points of oxides of Period 3 elements Animation Play

Metal extraction from ores by reduction Student activity Play

Metal ions in water solution Student activity Play

Metal ions in water solution Whiteboard exercise Play

Metallic bonding Student activity Play