Reactivity of halogens Student activity Play

Recognising oxidising and reducing agents Student activity Play

Relative atomic mass Class activity Play

Relative atomic mass Whiteboard presentation Play

Relative atomic mass Student activity Play

Relative atomic mass Whiteboard exercise Play

Relative atomic mass and relative molecular mass Animation Play

Relative atomic mass and relative molecular mass Student activity Play

Roentgen spectra of elements – characteristic radiation Whiteboard exercise Play

Roentgen spectra of elements – characteristic radiation Student activity Play

Rutherford's experiment Animation Play

s-Block elements Whiteboard presentation Play

s-Block elements Class activity Play

s-block elements Animation Play

Salts of s-block elements occurring in nature Slideshow Play

Sampling Student activity Play

Sampling as a method of estimation Animation Play

Sea water Student activity Play

Sea water game Whiteboard exercise Play

Selected compounds with three or more elements Whiteboard exercise Play

Selected physical properties of oxides Chart Play

Sets and subsets Student activity Play

Simplified notation of the configuration of an element Animation Play

Sodium chloride formation Animation Play

Spectroscopy and electromagnetic radiation Student activity Play