Development of atomic theory. Radioactivity Whiteboard presentation Play

Development of atomic theory. Radioactivity Class activity Play

Diffraction of electrons Whiteboard exercise Play

Diffraction of electrons – the Davisson-Germer experiment Student activity Play

Discovery of noble gases Animation Play

Dispersion forces in halogens Animation Play

Displacement reactions Glossary Play

Displacement reactions Student activity Play

Dissolving ionic compounds in water Student activity Play

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

Duralumin Slideshow Play

Early atomic theories Class activity Play

Early atomic theories Student activity Play

Early atomic theories Whiteboard presentation Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Whiteboard exercise Play

Early models of an atom Animation Play

Effect of a change in reactant concentration on the rate of a chemical reaction Animation Play

Effect of concentration on the rate of chemical reactions Student activity Play

Effect of reactant particle size on the rate of a chemical reaction Student activity Play

Effect of temperature on free energy change Student activity Play

Effect of temperature on the rate of chemical reaction Student activity Play

Effective collisions Student activity Play

Effects of macro-element deficiencies Student activity Play

Effects of macro-element deficiencies Simulation Play