A change in the state of matter Animation Play

A microscopic view Animation Play

A typical heating curve for a pure substance Illustration Play

Absolute values of entropy Student activity Play

Abundance of chemical elements in nature Student activity Play

Abundance of elements in nature Slideshow Play

Addition of bromine to alkenes Animation Play

Addition of elements to alkenes Student activity Play

Addition reactions in alkenes Animation Play

Addition reactions in alkenes – reaction with bromine Student activity Play

Addition reactions in alkenes – reaction with bromine Simulation Play

Air humidity Animation Play

Alcoholic fermentation (1) Student activity Play

Aliphatic amines: properties as bases Student activity Play

Alkenes Class activity Play

Alkenes Whiteboard presentation Play

Application of bromine Slideshow Play

Arrangement of chemical elements in the periodic table Student activity Play

Boiling and boiling point Whiteboard exercise Play

Boiling and boiling point Student activity Play

Boiling and condensing water Whiteboard exercise Play

Boiling point Student activity Play

Boiling point and external pressure Animation Play

Brittleness test Simulation Play

Bromination of ethane Whiteboard exercise Play