This engaging worksheet is designed to reinforce students’ understanding of atomic structure and subatomic particles. Ideal for KS3 or lower KS4, it aims to build both knowledge and confidence. Format: Printable worksheet (PDF) Answers: Answer sheet on page 3 and 4 Students will: Label a diagram of an atom Recall and apply knowledge of protons, neutrons, and electrons Match elements to the ions they form Use the periodic table to calculate protons, neutrons, and mass numbers Perfect for: Independent practice Homework tasks Revision sessions Cover lessons