Diffusion in gases Student activity Play

Discovery of noble gases Animation Play

Dispersion forces in halogens Animation Play

Dissolution of gases in water Student activity Play

Dissolving ionic compounds in water Student activity Play

Distillation of liquid air Animation Play

Does a chemical compound have a constant composition? Student activity Play

Does a compound have a constant composition? Student activity Play

Does aluminium corrode? Student activity Play

Drugs and health Whiteboard presentation Play

Early atomic theories Class activity Play

Early atomic theories Whiteboard presentation Play

Early atomic theories Student activity Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Whiteboard exercise Play

Early models of an atom Animation Play

Earth's atmosphere Animation Play

Ecological niche Student activity Play

Effect of concentration on reaction equilibrium Student activity Play

Effect of concentration on reaction equilibrium Whiteboard exercise Play

Effect of oxygen and carbon dioxide on the respiratory system Animation Play

Effect of ΔH° and ΔS° on free energy change Student activity Play

Effective collisions Student activity Play

Effects of terrestrial plants on the biosphere Slideshow Play

Electrical charge of metal ions Student activity Play