Irregularities in the first ionisation energy trend Animation Play

Is it easy to distinguish between a physical change and a chemical change? Student activity Play

Isolating very reactive metals Animation Play

Isotopes Student activity Play

Isotopes of hydrogen, carbon and uranium Animation Play

Le Chatelier's principle Student activity Play

Malleable and ductile metals Student activity Play

Mass spectrometry of elements Student activity Play

Mean bond enthalpies and interactions between bonds Chart Play

Mean bond enthalpies and interactions between bonds 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 extraction from ores by reduction Student activity Play

Metallic bonding Animation Play

Metallic bonding Student activity Play

Metallic crystals Student activity Play

Metallic crystals Whiteboard exercise Play

Metals as conductors Slideshow Play

Metals easily form cations Student activity Play

Metals easily form cations Whiteboard exercise Play

Metals in the Earth's crust Animation Play

Minerals and ores Student activity Play

Minerals containing aluminium Animation Play

Modern construction industry Illustration Play