C1.6
- Created by: mayaholdstock
- Created on: 23-07-17 14:25
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- C1.6 Structure of the atom
- The nucleus contains two types of sub-atomic particles called protons and neutrons
- Electrons are tiny negatively charged atoms that orbit the nucleus
- The atomic number (atomic mass number/proton number) is the number of protons
- The mass number is total number of particles in the nucleus of an atom
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