How are electrons assigned to the subshells? Animation Play

How catalysts work? Student activity Play

How does a metal atom combine with a halogen atom? Animation Play

How to handle gases in a chemistry laboratory Student activity Play

How to write the numbers of molecules and numbers of atoms in a molecule Student activity Play

Hybridisation and multiple bonds Student activity Play

Hybridisation and multiple bonds Whiteboard exercise Play

Hybridisation in methane molecule Animation Play

Hybridisation in the ammonia molecule Animation Play

Hybridisation involving d orbitals Student activity Play

Hybridisation involving d orbitals Whiteboard exercise Play

Hybridisation type of carbon atoms Slideshow Play

Hydration Animation Play

Hydrogen atoms on oxygen or nitrogen are usually not coupled to their neighbours Animation Play

Hydrogen bonding Student activity Play

Hydrogen bonding and boiling points Student activity Play

Hydrogen bonding in a hydrogen fluoride molecule Animation Play

Hydrogen bonds Student activity Play

Hydrogen molecule Animation Play

Identifying oxidation–reduction reactions Student activity Play

Interactions between ions of the opposite charge Animation Play

Ionic and atomic radii Whiteboard exercise Play

Ionic and atomic radii Student activity Play

Ionic bond Animation Play

Ionic bonding. Part I Class activity Play