The electron configuration of an atom Class activity Play

The elements of life Student activity Play

The elements of life Whiteboard exercise Play

The energy of a tungsten filament Animation Play

The enthalpy change for the transformation of solid sulphur into gaseous sulphide ions Whiteboard exercise Play

The first and second ionisation energies Animation Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The first and second ionisation energies of the Group 2 elements Whiteboard exercise Play

The formation of metal complexes as acid-base reactions Animation Play

The ionic character of s-block-metal compounds Student activity Play

The ionic notation of reaction Animation Play

The operation of a cell Student activity Play

The operation of a cell Animation Play

The oxidation of of sulphate(IV) ions to sulphate(VI) ions Animation Play

The oxidation states of copper Whiteboard exercise Play

The oxidation states of elements in compounds or ions Whiteboard exercise Play

The phosphorus cycle Animation Play

The physical properties of the s-block metals Whiteboard exercise Play

The physical properties of the s-block metals (1) Student activity Play

The physical properties of the s-block metals (2) Student activity Play

The placenta Student activity Play

The polarity of the bond Animation Play

The process of dissolving Animation Play

The process of ionisation Animation Play

The reaction between bromate and bromide ions Animation Play