How is metamorphic rock formed?

The formation of metamorphic rock and the rocks they originated from.

How mass and atomic numbers explain atomic structure (pt 1/2)

Atomic and mass numbers show how many protons, neutrons and electrons there are in atoms.

How mass and atomic numbers explain atomic structure (pt 2/2)

How atomic and mass numbers show how many protons, neutrons and electrons are in atoms.

Introduction to atoms and elements

Introduction to atoms and elements including chemical symbols and molecular formulae.

Introduction to radioactivity (pt 1/3)

A look at the three types of radiation released when a francium nucleus decays.

Introduction to radioactivity (pt 2/3)

The formation of alpha particles, beta particles and gamma rays is described.

Introduction to radioactivity (pt 3/3)

The speed, penetration and ionising ability of different types of radiation are compared.

Ionic compounds and the periodic table

An introduction to ionic bonding, focusing on the periodic table.

Periods in the periodic table

A short introduction to the significance of periods in the periodic table.

Reactivity of group 1 and 7 elements

Explanation of the patterns of reactivity in group 1 and 7 elements in the periodic table.

9 learner guides

We have a selection of learner guides