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 electronegativity concept Student activity Play

The elements of life Student activity Play

The elements of life Chart 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 levels of hydrogen atom Whiteboard exercise Play

The energy levels of hydrogen atom Student activity Play

The energy levels of hydrogen atom Simulation Play

The energy of a tungsten filament Animation Play

The enthalpy change for the transformation of solid sulphur into gaseous sulphide ions Whiteboard exercise Play

The equilibrium constant Kp Student activity Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The first and second ionisation energies Animation Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The first and second ionisation energies of the Group 2 elements Whiteboard exercise Play

The formation of metal complexes as acid-base reactions Animation Play

The genesis of fossil fuels Animation Play

The homologous series of alkanes Animation Play

The hydrogen bomb Student activity Play

The inner structure of the atom Student activity Play

The ionic character of s-block-metal compounds Student activity Play

The ionic notation of reaction Animation Play