1,1-dichloroethane Animation Play

1-chloropentane Animation Play

1-chloropropane Animation Play

2-chloropropane Animation Play

A comparison of the properties of C–C bonds and C=C bonds Animation Play

A covalent bond in a hydrogen molecule Animation Play

A diagram of the formation of carbon-14 and its cycle in the atmosphere Illustration Play

A double bond in ethene Animation Play

A molecule of ethene Animation Play

A molecule of methanamine Animation Play

A stable configuration of carbon atom Animation Play

A triple bond in ethyne Animation Play

Abiotic factors Slideshow Play

Absolute values of entropy Student activity Play

Absorption and emission of gases Student activity Play

Absorption and emission of gases Simulation Play

Absorption and emission of gases Whiteboard exercise Play

Abundance of chemical elements in nature Student activity Play

Abundance of elements in nature Slideshow Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant for lactic acid Animation Play

Acid rain Student activity Play

Acids and alkalis Class activity Play

Across the periodic table Student activity Play

Addition of hydrogen chloride to ethene Animation Play