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

The period number and the number of electron shells Animation Play

The phenomenon of polarisability Animation Play

The physical properties of alkali metals Animation Play

The physical properties of the s-block metals Slideshow 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 presence of halide ions in the electrolyte Slideshow Play

The presence of metal and non-metal ions in the electrolyte Animation Play

The properties of chemical compounds and their constituent elements Slideshow Play

The properties of chemical compounds and their constituent elements Student activity Play

The rate of corrosion Whiteboard exercise Play

The reaction between acids and ammonia Student activity Play

The reaction between bromate and bromide ions Animation Play

The reaction between carbon dioxide and sodium hydroxide Animation Play

The reaction between sodium and chlorine Animation Play

The reaction between sodium and water Animation Play

The reaction between sodium and water Animation Play

The reaction of sodium and magnesium with water Animation Play

The reaction of sodium hydroxide solution with a solution of a zinc(II) salt Whiteboard exercise Play

The reaction of sodium thiosulphate with hydrochloric acid Whiteboard exercise Play

The reactions between some cations and hydroxide solutions Student activity Play

The reactivity of aluminium Student activity Play