Determining the empirical formula Student activity Play

Determining the empirical formula Whiteboard exercise Play

Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Determining the molecular formula Animation Play

Development of the embryo Student activity Play

Development of the embryo Simulation Play

Diatomic molecules Student activity Play

Diatomic molecules Whiteboard exercise Play

Differences between terrestrial and aquatic environments Student activity Play

Diffusion Animation Play

Diffusion across the plasma membrane Whiteboard exercise Play

Diffusion in gases Student activity Play

Discovery of noble gases Animation Play

Dissociation of HF Simulation Play

Dissociation of weak acids and weak bases Student activity Play

Dissolution of gases in water Student activity Play

Dissolution of substances in water Animation Play

Distillation of liquid air Animation Play

Does a compound have a constant composition? Student activity Play

Does aluminium corrode? Student activity Play

Drugs and health Whiteboard presentation Play

Earth's atmosphere Animation Play

Ecological niche Student activity Play

Effect of concentration on reaction equilibrium Student activity Play