How bacteria obtain energy Student activity Play

Identification of the sulphate(IV) ion Animation Play

Industrial synthesis in the gas phase Animation Play

Investigating the electrical conductivity of substances Student activity Play

Investigating the electrical conductivity of substances Simulation Play

Investigating the melting point of a metal and a non-metal Student activity Play

Ionic bond Animation Play

Ionic crystals Student activity Play

Ionisation energy Student activity Play

Ionisation enthalpy and electron affinity Student activity Play

Iron, the most common metal Student activity Play

Irregularities in the first ionisation energy trend Animation Play

Le Chatelier's principle for gas reactions Student activity Play

Lewis structures Slideshow Play

Limestone scenery Illustration Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Macro-elements; trace elements and ultra-trace elements Slideshow Play

Maize Slideshow Play

Making steel Student activity Play

Making water Animation Play

Malleable and ductile metals Student activity Play

Manufacture of sulphuric(VI) acid Student activity Play

Manufacture of sulphuric(VI) acid from sulphur Animation Play

Melting and boiling points (2) Student activity Play

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