Atoms
- Created by: chloe
- Created on: 14-01-13 19:12
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The nucleus:
- the middle of the atom
- contains protons and neutrons
- has a positive charge because of the protons
- almost the whole mass of the atom is concentrated in the nucleus
- tiny compared to the rest of the atom
The electrons:
- move around the nucleus
- negative charge
- tiny but cover a lot of space
- virtually no mass
- occupy shells around the nucleus
Proton — mass of 1 —…
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