Colour of gas Slideshow Play

Colourful halogen vapour Animation Play

Comparing densities Animation Play

Comparing solids, liquids and gases Student activity Play

Condensation Student activity Play

Decomposition of hydrogen iodide Animation Play

Density and the molecular structure of matter Student activity Play

Deposition Animation Play

Detection of saccharides – non-reducing sugars Simulation Play

Determining the molecular formula Animation Play

Determining the molecular formula Whiteboard exercise Play

Determining the molecular formula Student activity Play

Determining the water content of a sample of soil Animation Play

Disinfection properties of halogens Slideshow Play

Distillation Student activity Play

Effect of pressure on chemical equilibrium Student activity Play

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

Elements and atoms Illustration Play

Elements of Group 17 Student activity Play

Elements of Group 17 Student activity Play

Elimination reactions Student activity Play

Entropy Whiteboard exercise Play

Entropy Student activity Play

Evaporation, condensation, and boiling Student activity Play

Evaporation, condensation, and boiling Whiteboard exercise Play