Covalent bonding. Part I Whiteboard presentation Play

Covalent bonding. Part II Class activity Play

Covalent bonding. Part II Whiteboard presentation Play

Dalton's atomic theory Animation Play

Dative (coordinate) bond Student activity Play

Dative (coordinate) bond Whiteboard exercise Play

Dative bond in the ammonium cation Animation Play

Decomposition of ammonia on a metal surface Animation Play

Decomposition of hydrogen iodide Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition of hydrogen peroxide Animation Play

Definition of stress Animation Play

Democritus' and Dalton's atomic theories Student activity Play

Democritus's atomic theory Animation Play

Densities of straight-chain alkanes Illustration 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 hydrogen Animation 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

Detection of hydrogen Animation Play

Detection of some gases Student activity Play