Density and the molecular structure of matter Student activity Play

Determining the composition of atomic nuclei Student activity Play

Determining the composition of atomic nuclei Whiteboard exercise Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Determining the empirical formula Student activity Play

Determining the empirical formula Animation Play

Determining the molecular formula Student activity Play

Development of atomic theory. Radioactivity Class activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Diffraction of electrons Whiteboard exercise Play

Diffraction of electrons – the Davisson-Germer experiment Student activity 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

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 models of an atom Animation Play

Effect of temperature on free energy change Student activity Play

Effective collisions Student activity Play

Effects of macro-element deficiencies Simulation Play