Looking for a clear and structured way to assess student understanding of atomic structure?

This GCSE Chemistry worksheet helps students understand the relationships between atomic number, mass number, and the number of protons, neutrons, and electrons in both atoms and ions.

The worksheet will check students have met the objective of AQA GCSE Chemistry Unit 1.1 & 1.6 Atomic structure, 1.7 Ions, atoms and isotopes:
• Calculate numbers of subatomic particles from atomic and mass number
• Determine electron arrangements for atoms and ions
• Understand ionic charge in relation to electron gain or loss
• Define and apply knowledge of isotopes

What’s included?
• 2 page worksheet
• Teacher answers

Ideal for use as a homework task, revision activity, assessment, or cover lesson, this worksheet supports students in building secure foundational knowledge for GCSE Chemistry.