Crystals Whiteboard exercise Play

Crystals and amorphous materials Whiteboard exercise Play

Dative (coordinate) bond Student activity Play

Dative (coordinate) bond Whiteboard exercise Play

Decomposition Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition reaction Slideshow Play

Definition of stress Animation Play

Density Class activity Play

Density Whiteboard presentation Play

Density and the molecular structure of matter Student activity Play

Density of gases Student activity Play

Density of gases Whiteboard exercise Play

Depletion of the Earth's ozone layer Student activity Play

Detection of oxygen Animation Play

Detection of some gases Student activity Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of formulae of compounds Whiteboard exercise Play

Determination of molecular structure Student activity Play

Determination of molecular structure Whiteboard presentation Play

Determination of molecular structure Class activity Play

Determination of rate equations Student activity Play

Determination of the molecular structure of an unknown compound Student activity Play

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

Determining the empirical formula Student activity Play