Density of carbon dioxide Animation Play

Density of gases Student activity Play

Density of gases Whiteboard exercise Play

Depletion of the Earth's ozone layer Student activity Play

Depletion of the ozone layer Slideshow Play

Detecting carbon dioxide Animation Play

Detection of carbon dioxide Animation Play

Detection of carbon dioxide in air Slideshow Play

Determination of formulae of compounds Whiteboard exercise Play

Determination of molecular structure Student activity Play

Determining standard enthalpies of reaction Whiteboard exercise Play

Determining the electron configuration of carbon Animation Play

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

Determining the empirical formula Whiteboard exercise Play

Determining the empirical formula Student activity Play

Determining the molecular formula Animation Play

Determining the molecular formula Student activity Play

Determining the molecular formula Animation Play

Determining the molecular formula Whiteboard exercise Play

Diamond Animation Play

Diamond and graphite Slideshow Play

Does a compound have a constant composition? Student 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