The National Grid system Animation Play

The National Grid system Whiteboard exercise Play

The National Grid system Student activity Play

The National Grid system Illustration Play

The octet rule Animation Play

The octet rule Animation Play

The origin of spectral lines Animation Play

The passage of electrons through the electron transport chain Animation Play

The passage of electrons through the electron transport chain Student activity Play

The period number and the number of electron shells Animation Play

The periodic table Student activity Play

The phenomenon of polarisability Animation Play

The phenomenon of radiation Student activity 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 Whiteboard exercise Play

The Plum Pudding Model Student activity Play

The principal and azimuthal quantum numbers Animation Play

The principle of conservation of charge Whiteboard exercise Play

The principle of conservation of charge Student activity Play

The principle of conservation of charge Simulation Play

The properties of β radiation Student activity Play

The radius of an orbit Animation Play