The molecular mass of water Animation Play

The octet rule Animation Play

The origin of spectral lines Animation Play

The periodic table Whiteboard presentation Play

The periodic table Student activity Play

The periodic table Class activity Play

The physical properties of alkali metals 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 planetary model of the atom Animation Play

The Plum Pudding Model Student activity Play

The Plum Pudding Model Whiteboard exercise Play

The process of dissolving Animation Play

The process of ionisation Animation Play

The radius of an orbit and the size of the atomic nucleus The radius of an orbit and the size of the atomic nucleus Whiteboard exercise Play

The reactions that occur in a gaseous mixture of AB and CD molecules Whiteboard exercise Play

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

The relative mass of hydrogen molecule Whiteboard exercise Play

The Rutherford model of the atom Animation Play

The Rutherford model of the atom Student activity Play

The size of a nucleus and an atom Animation Play

The size of an atom and a nucleus Whiteboard exercise Play

The size of an atom and a nucleus Student activity Play

The strength of carbon–carbon bond Animation Play