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

Determining the formula of ammonium bromide Animation Play

Determining the formula of potassium carbonate Animation Play

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

Eka-aluminium and eka-silicon Chart Play

Electron configuration Animation Play

Electron configuration Student activity Play

Electron configuration Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Student activity Play

Electron configuration of transition metal ions Student activity Play

Electron configurations of Period 3 elements Animation Play

Electronegativity Student activity Play

Electronegativity and the size of the atom Animation Play

Elements of Period 3 of the periodic table Student activity Play

Energy levels in a solid body Whiteboard exercise Play

Establishing the formula of a compound Animation Play

Group 17 Animation Play

How to find the valence of an element from the periodic table Animation Play

Hybridisation in boron trifluoride molecule Animation Play

Hybridisation in methane molecule Animation Play

Hybridisation involving d orbitals Student activity Play

Hydrogen molecule Animation Play

Hydrogen sulphide Animation Play

Insulator Illustration Play