Atoms and Ions

Features Atoms and Ions

Atoms and Ions is a model of the atom to show animated atoms or shell diagrams.
You’ll use it to cover:• The numbers and positions of protons, neutrons and electrons in the atom• How particles in the nucleus determine the isotope, atomic number and mass number• How electrons are arranged in atoms and how we show this in shell diagrams• How ions have stable electron arrangements• How scientists use symbols to represent atoms and ions.