Ionic and atomic radii Student activity Play

Isotopes Animation Play

Le Chatelier's principle for gas reactions Student activity Play

Lewis structures (dot diagrams) for atoms Animation Play

Mass spectra of compounds containing chlorine and bromine Student activity Play

Mass spectra of compounds containing chlorine and bromine Whiteboard exercise Play

Mass spectra of the elements Student activity Play

Mass spectrum of chlorine Illustration Play

Melting and boiling points (2) Student activity Play

Melting and boiling points of phosphorus, sulphur, chlorine and argon Animation Play

Mineral ions in the human organism Slideshow Play

Minerals Slideshow Play

Molar volume (1) Student activity Play

Molecules with five electron pairs (1) Student activity Play

More about half-equations Student activity Play

Naming compounds with three or more elements Student activity Play

Naming compounds with two elements Simulation Play

Naming compounds with two elements Student activity Play

Natural abundance of chlorine and bromine isotopes Illustration Play

Occurrence of halogens Slideshow Play

Other uses of halogens and their compounds Student activity Play

Oxidation and reduction reactions Student activity Play

Oxidation reactions Slideshow Play

Oxides formed by Period 3 elements Chart Play

Ozone hole: probable causes Student activity Play