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

A different way of numbering groups in the periodic table Animation Play

A family of transition metals Animation Play

A molecule of ethene Animation Play

A sample of students Whiteboard exercise Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant for lactic acid Animation Play

Acidic amino acids Slideshow Play

Addition of hydrogensulphite Whiteboard exercise Play

Addition of hydrogensulphite Student activity Play

Adverse effects of aldehydes and ketones on the human organism Slideshow Play

Agglutinogens and agglutinins Animation Play

Agglutinogens and agglutinins Simulation Play

Agglutinogens in the ABO system and blood groups Student activity Play

Agglutinogens in the ABO system and blood groups Whiteboard exercise Play

Air pollution Whiteboard exercise Play

Air pollution Student activity Play

Alcohols Whiteboard presentation Play

Alcohols Whiteboard presentation Play

Alcohols Class activity Play

Alcohols Class activity Play

Alcohols containing one hydroxyl group Animation Play

Alkaline earth metals. Group 2 Class activity Play

Alkaline earth metals. Group 2 Whiteboard presentation Play

Alkalinity of hydroxides Animation Play