The relative speeds of surface corrosion of alkali metals and their reaction with water.
An introduction to atomic structure, including protons, neutrons and electrons.
An introduction to covalent bonding, focussed on the periodic table.
Demonstrates how to separate sand and salt from water by filtration and distillation.
How subatomic particles make up atoms and what mass and atomic numbers tell us.
Atomic and mass numbers show how many protons, neutrons and electrons there are in atoms.
Introduction to atoms and elements including chemical symbols and molecular formulae.
We have a selection of learner guides