Free energy change for the dehydration of magnesium hydroxide Chart Play

Group 1 elements Animation Play

Groups in the periodic table Student activity Play

Groups in the periodic table Student activity Play

Halide anions Animation Play

Haloalkanes (2) Student activity Play

Halogen lights Illustration Play

Hazardous substances Student activity Play

High fibre foods Slideshow Play

How acids react with carbonates Student activity Play

How acids react with metals Student activity Play

How do buffers work? Student activity Play

How do buffers work? Whiteboard exercise Play

How do metals react with oxygen? Slideshow Play

How do metals react with water and steam? Animation Play

How do the uses of a metal depend on its reactivity? Slideshow Play

How does a crystal of sodium chloride form? Animation Play

How does a metal atom combine with a halogen atom? Animation Play

How metals react with acids Student activity Play

How metals react with oxygen Student activity Play

How metals react with water Student activity Play

How temperature affects reaction rates Student activity Play

How to establish the formulae of salts Student activity Play

How to write the numbers of molecules and numbers of atoms in a molecule Whiteboard exercise Play

How to write the numbers of molecules and numbers of atoms in a molecule Student activity Play