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  • Created by: chloe
  • Created on: 14-01-13 19:12

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 —…




Thank you this really helped with my school project on atoms :-)

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