1. The Dalton Atomic Structure
2. The Sub-Atomic Particles
3. Charge and Mass
4. Why are atoms neutral?
5. How big is the nucleus?
6. Why is the mass in the centre?
7. What is the mass number?
8. What is the atomic number?
9. What is an isotope?
10. Calculating the number of Protons, Neutrons and Electrons.
11. Why aren't all mass numbers whole?
12. Calculating the Relative Atomic Mass of an isotope