Coupling patterns: 1H atoms on oxygen and nitrogen Student activity Play

Coupling patterns: hydrogen atoms on oxygen and nitrogen Whiteboard exercise Play

Covalent bonding Whiteboard exercise Play

Covalent bonding (2) Student activity Play

Cyanobacteria Student activity Play

Dative (coordinate) bond Student activity Play

Dative bond in the ammonium cation Animation Play

Decay reaction Whiteboard exercise Play

Decomposition of ammonia on a metal surface Animation Play

Deficiency of macro-elements Whiteboard exercise Play

Density Class activity Play

Density Whiteboard presentation Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Determination of molecular structure Student activity Play

Determination of rate equations Student activity Play

Determination of rate equations Whiteboard exercise Play

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

Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the formula of a compound knowing the valence of its elements Whiteboard exercise Play

Dichromate volcano Animation Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Distillation of liquid air Animation Play

Dynamic state of chemical equilibrium Student activity Play

Earth's atmosphere Animation Play