atoms
- Created by: lucymelton2002
- Created on: 26-10-17 19:44
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- Atoms
- Nucleus
- middle of the atom
- contains protons and neutons
- positively charged cuz of protons
- whole mass of the atom is concentrated in the nucleus
- electron
- move around the nucleus in shells
- negatively charged and very small but they cover a lot of space
- have virtually no mass
- Nucleus
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