The course of the reaction Animation Play

The covalent and ionic bonds Animation Play

The C–X bond Animation Play

The C–X bond (1) Student activity Play

The C–X bond (2) Student activity Play

The discovery of the electron and Thomson's model of the atom Student activity Play

The electromotive series of metals Chart Play

The electromotive series of metals Student activity Play

The electron as the earliest discovered component of the atom Animation Play

The electron configuration of an atom Class activity Play

The electron configuration of an atom Whiteboard presentation Play

The electron configuration of an atom and its position in the periodic table Student activity Play

The electron configuration of an atom and its position in the periodic table Whiteboard exercise Play

The electronegativity concept Student activity Play

The elements of life Student activity Play

The emission and absorption of photons Simulation Play

The emission and absorption of photons Student activity Play

The energy due to nuclear fission Student activity Play

The energy levels in a solid body Student activity Play

The energy levels of hydrogen atom Simulation Play

The energy levels of hydrogen atom Whiteboard exercise Play

The energy levels of hydrogen atom Student activity Play

The equation for a redox reaction Animation Play

The excited state of the atom Animation Play

The first and second ionisation energies Animation Play