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

Age and sex structure of populations Student activity Play

Age structure of populations 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

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

Ammonia – a weak base Animation Play

An example of a proof Student activity Play

Analytical tests in organic chemistry Class activity Play