Determining the molecular formula Student activity Play

Determining the molecular formula Whiteboard exercise Play

Determining the molecular formula Animation Play

Development of atomic theory. Radioactivity Class activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Diamond Animation Play

Diamond and graphite Slideshow Play

Diffraction of electrons Whiteboard exercise Play

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

Dispersion forces in halogens Animation Play

Dissolving ionic compounds in water Student activity Play

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

Does a compound have a constant composition? Student activity Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Whiteboard presentation Play

Early atomic theories Student activity Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Class activity Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Student activity Play

Early concepts of the structure of benzene Student activity Play

Early models of an atom Animation Play

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

Effective collisions Student activity Play

Effects of changing carbon dioxide concentrations in the Earth's atmosphere Simulation Play