d- and f-block elements Animation Play

Decay of uranium Animation Play

Deduction Whiteboard exercise Play

Deduction Student activity Play

Density Animation Play

Density of transition metals Illustration Play

Determining the empirical formula Student activity Play

Determining the empirical formula Whiteboard exercise Play

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

Dynamic state of chemical equilibrium Student activity Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Student activity 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 Whiteboard exercise Play

Electron affinity Animation Play

Electron configuration Student activity Play

Electron configuration and periodic trends of transition elements Whiteboard presentation Play

Electron configuration and periodic trends of transition elements Class activity Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration and the periodic table (2) Student activity Play