Alkylation of benzene by the Friedel–Crafts method Student activity Play

Antiperistalsis Slideshow Play

Changes in the first ionisation energy across Period 3 Animation Play

Changes in the first ionisation energy across Period 3 Illustration Play

Changes in the ionisation energy across a period Animation Play

Changes in the ionisation energy down the group Animation Play

Colourless transition metal ions Animation Play

Colours of metal compounds: d-block elements Student activity Play

Diffusion cloud chamber Illustration Play

Dissociation of weak acids and weak bases Whiteboard exercise Play

Dissociation of weak acids and weak bases Student activity Play

Electrical charge of metal ions Student activity Play

Fermentation chamber in the large intestine Student activity Play

Fermentation chamber in the large intestine Slideshow Play

Fermentation chamber in the large intestine Whiteboard exercise Play

Fermentation chamber in the large intestine Whiteboard exercise Play

Fermentation chamber that precedes the stomach Whiteboard exercise Play

Fermentation chamber that precedes the stomach Student activity Play

Gamma radiation Animation Play

Gamma radiation Student activity Play

Injection and vaporisation of the sample Animation Play

Interaction between electromagnetic waves and matter Student activity Play

Ionic radii of the s-block elements Illustration Play

Ionisation energies Animation Play

Ionisation energy Whiteboard exercise Play