Reaction of sodium, magnesium and aluminium with water Animation Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (1) Student activity Play

Reactions between Period 3 elements and water (2) Student activity Play

Reactions occurring at the electrodes Student activity Play

Reactivity series Student activity Play

Reagents, reactants and products Student activity Play

Recycling of aluminium Animation Play

Recycling of aluminium Slideshow Play

Recycling of aluminium Student activity Play

Recycling of aluminium Whiteboard exercise Play

Recycling of aluminium Whiteboard exercise Play

Recycling of paper, glass and metal Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Resistance of aluminium to acids Animation Play

Rocks originating from magma Animation Play

Roles of efficient utilization and recycling in environmental protection Slideshow Play

Rusting Simulation Play

Satellite telephones Student activity Play

Silicon and aluminium oxides Animation Play

Simplified rules of electrode reactions Animation Play

Smelting and electrolysis Animation Play

Smelting lead Animation Play

Sodium cation Student activity Play

Sodium cation Whiteboard exercise Play