The equation for a redox reaction Animation Play

The excited state of the atom 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 formation of ionic compounds is exothermic Animation Play

The functions of mineral ions in the organism Whiteboard exercise Play

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

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

The importance of mineral ions Student activity 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 kidneys and urinary system Illustration Play

The main terms describing the structure of the atom 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 noble metals Student activity Play