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

Investigating the water solubility of calcium, magnesium and sodium hydroxides Animation Play

Investigation of the amphoteric properties of beryllium hydroxide Animation Play

Investigation of the effect of reactant particle size on the rate of a reaction Animation Play

Investigation of the effect of temperature on the rate of chemical reactions Animation Play

Ionic equations Animation Play

Ionisation energies Animation Play

Ionisation energy Student activity Play

Ionisation energy of the s-block elements Student activity Play

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

Ligand types Student activity Play

Liming of acidic soils Slideshow Play

Liquid catalysts Animation 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