Ionisation energy of the s-block elements Whiteboard exercise Play

Ionisation enthalpy Animation Play

Ionisation enthalpy and electron affinity Student activity Play

Irregularities in the first ionisation energy trend Animation Play

Irreversible reactions Slideshow Play

Is it easy to distinguish between a physical change and a chemical change? Student activity Play

Isolating very reactive metals Animation Play

Isotopes Student activity Play

Isotopes Whiteboard exercise Play

Isotopes of natural magnesium Whiteboard exercise Play

Least useful chemical reactions Student activity Play

Liquid catalysts Animation Play

Living things Slideshow Play

Locations of mineral ions in the soil Whiteboard exercise Play

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

Macroelements Student activity Play

Macroelements Whiteboard exercise Play

Magnesium Animation Play

Magnesium Slideshow Play

Magnesium chloride Animation Play

Magnesium chloride Animation Play

Magnesium oxide Illustration Play

Magnesium oxide Animation Play

Magnesium oxide Student activity Play

Magnetic metals Slideshow Play