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 molecule of ethene Animation Play

A molecule of methanamine Animation Play

A stable configuration of carbon atom Animation Play

Ability to react with metals Animation Play

Absolute values of entropy Student activity Play

Absorption and emission of gases Simulation Play

Absorption and emission of gases Whiteboard exercise Play

Absorption and emission of gases Student activity Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant for lactic acid Animation Play

Acids (2) Student activity Play

Acids and alkalis Class activity Play

Across the periodic table Student activity Play

Additional information contained in chemical equations Student activity Play

Algorithm of the equation for hydrocarbon combustion Animation Play

Alkadienes and cycloalkenes Student activity Play

Alkaline earth metals Slideshow Play

Alkaline earth metals Student activity Play

Allotropic forms of an element Animation Play