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

The ground state and excited states of an atom Student activity Play

The ground state and excited states of an atom Whiteboard exercise Play

The inner structure of the atom Student activity Play

The intensity of a beam of photons Animation Play

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

The isomerism of alkanes Animation Play

The line and the circle Student activity Play

The line and the circle Whiteboard exercise Play

The main terms describing the structure of the atom Whiteboard exercise Play

The major role of the central nervous system Student activity Play

The major role of the central nervous system Whiteboard exercise Play

The mass proportion of atoms in copper(I) sulphide Animation Play

The meaning of the chemical formulae Whiteboard exercise Play

The melting points of simple molecular solids Animation Play

The model of propane Illustration Play

The molar mass Whiteboard exercise Play

The molar mass Student activity Play

The molar volume of substances Animation Play

The mole Student activity Play

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 Class activity Play