A compound containing a long hydrocarbon chain with the CCl3 group Animation Play

A compound containing polar hydroxyl groups along the hydrocarbon chain Animation Play

A lead cube Animation Play

A typical compound Slideshow Play

About cells Student activity Play

Absolute values of entropy Student activity Play

Absorption of visible light. Colorimetry Class activity Play

Absorption of visible light. Colorimetry Whiteboard presentation Play

Accurately determining an unknown molarity of acid/base by titration Whiteboard exercise Play

Accurately determining an unknown molarity of acid/base by titration Student activity Play

Acid rain destroys forests Animation Play

Acids (2) Student activity Play

Acids and alkalis Class activity Play

Acid–base reactions in a non-aqueous medium Animation Play

Addition of HCl to propene Animation Play

Addition of hydrogen cyanide Student activity Play

Addition of hydrogen cyanide Whiteboard exercise Play

Air Student activity Play

Aliphatic amines: properties as bases Student activity Play

Alkanes Class activity Play

Alkanes Whiteboard presentation Play

Alloys of tin and precious metals Student activity Play

Aluminium – lead – silver Whiteboard exercise Play

Ammonia Animation Play

Ammonia and nitric acid Whiteboard presentation Play