Determining the composition of atomic nuclei Whiteboard exercise Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Development of atomic theory. Radioactivity Class activity Play

Diffraction of X-rays Animation Play

Diffraction of X-rays Student activity Play

Discovery of the atomic nucleus by Ernest Rutherford Animation Play

Dispersion of light Student activity Play

Dispersion of light from a diffraction grating Student activity Play

Dispersion of light from a diffraction grating Animation Play

Dispersion of light from a diffraction grating Whiteboard exercise Play

Doublet and triplet Animation Play

Early atomic theories Student activity Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Class activity Play

Early atomic theories Whiteboard presentation Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements (1) Student activity Play

Early attempts to classify chemical elements (2) Student activity Play

Eka-aluminium and eka-silicon Chart Play

Eka-aluminium and eka-silicon Whiteboard exercise Play

Electromagnetic spectrum Animation Play

Electron configuration Animation Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table Whiteboard exercise Play