Energy levels Student activity Play

Energy levels Whiteboard exercise Play

Formulae and nomenclature of ionic compounds Student activity Play

Fossil fuel power stations Student activity Play

Further subdivision of atoms Animation Play

Groups in the periodic table Student activity Play

Halogen ions and noble gas with the same number of electrons Whiteboard exercise Play

How are electrons assigned to the subshells? Animation Play

How does a crystal of sodium chloride form? Animation Play

How electricity is generated Whiteboard exercise Play

How electricity is generated Student activity Play

How to find the valence of an element from the periodic table Animation Play

Ionisation of sodium Animation Play

Ions Whiteboard exercise Play

Macromolecular crystals Student activity Play

Measuring voltage Animation Play

Melting points of alkali metals and alkaline-earth metals Animation Play

Mitochondria and chloroplasts Student activity Play

Model of the atom proposed by Rutherford Whiteboard exercise Play

Models of atoms Slideshow Play

Modern theories of the structure of benzene Student activity Play

Multiple bonds Student activity Play

Multiple carbon–carbon bond Animation Play

Nature of metallic bonding Student activity Play

Neutrons and protons Animation Play