Dating of rocks Whiteboard exercise Play

Dative (coordinate) bond Student activity Play

Dative bond in the ammonium cation Animation Play

Decay of uranium Animation Play

Decay reaction Whiteboard exercise Play

Decay series and half-life Student activity Play

Decay series and half-life Whiteboard exercise 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

Defectoscopy and the measurement of thickness Whiteboard exercise Play

Defectoscopy and the measurement of thickness Whiteboard exercise Play

Defectoscopy and the measurement of thickness 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

Determination of average atomic mass of boron Animation Play

Determination of molecular structure Student activity Play

Determination of molecular structure Whiteboard presentation Play

Determination of molecular structure Class activity Play