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Topic 1
- Atoms
- Nucleus
- >In the middle of the atom
- >It contains protons and neutrons.
- >Has a positive charge
- >Contains almost the whole mass of an atom
- Protons
- >The number of protons = the number of electrons
- Relative mass= 1
- Charge = +1
- Electrons
- Move around the nucleus on shells
- Charge -1
- Volume of the orbits determines the size of the atom
- Atomic number and mass number
- The nuclear symbol of an atom tells you its atomic and mass number
- atomic number =number of protons
- Nucleus
- Atoms
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- Mind Map on Enter text here, created by Ellie Clements on 07/01/2020.
- Created by
- Ellie Clements
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