Halogen lights Illustration Play

Halogenation of alkanes – fluorine Animation Play

Halogens Animation Play

Halogens Slideshow Play

Halogens. Group 17 Class activity Play

Halogens. Group 17 Whiteboard presentation Play

Heavy elements Student activity Play

Heavy elements Simulation Play

High and low water Whiteboard exercise Play

High and low water Student activity Play

Histogram Whiteboard exercise Play

Histograms Student activity Play

How often? Whiteboard exercise Play

How often? Student activity Play

How to find the molar mass of an element or a compound Animation Play

How to find the molar mass of an element? Animation Play

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

Hybridisation involving d orbitals Student activity Play

Hydrogen sulphide Animation Play

In a lottery Whiteboard exercise Play

In a table Student activity Play

Ionic and atomic radii Student activity Play

Ionic radii of the s-block elements Student activity Play

Ionisation energy Student activity Play

Ionisation energy of the s-block elements Student activity Play