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

Dating of rocks Whiteboard exercise Play

Dating of rocks Student activity Play

Decay of uranium Animation Play

Decay reaction Whiteboard exercise Play

Decay series and half-life Whiteboard exercise Play

Decay series and half-life Student activity 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

Determination of average atomic mass of boron Animation Play

Determination of molecular structure Student activity Play

Determination of rate equations Student activity Play

Determination of rate equations Whiteboard exercise Play

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

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

Development of atomic theory. Radioactivity Class activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Diatomic molecules Student activity Play

Direction of spontaneous reaction Animation Play

Discovery of elementary particles Student activity Play

Discovery of elementary particles Whiteboard exercise Play

Discovery of neutron Animation Play

Displacement of a halogen by another halogen Animation Play

Electron configuration and the periodic table Student activity Play