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 equilibrium constant Kp Student activity Play

The equilibrium for the decomposition of hydrogen iodide 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 mechanism of substitution of ethanol with hydrogen chloride Animation Play

The melting points of simple molecular solids Animation Play

The model of propane Illustration Play

The molecular mass of water Animation Play

The oxidation of of sulphate(IV) ions to sulphate(VI) ions Animation Play

The percentage of biogenic elements in the human organism Illustration Play

The period number and the number of electron shells Animation Play

The primitive atmosphere Slideshow Play

The process of dissolving Animation Play

The process of electrolysing water Animation Play

The properties of chemical compounds and their constituent elements Student activity Play

The properties of solids Student activity Play

The reaction between acids and carbonates or hydrogencarbonates Student activity Play

The reaction between ethanoic acid and reactive metals Animation Play

The reaction between nitrogen and hydrogen Animation Play