Chemistry 1 - Atoms and Elements

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Atoms and Elements:

  • The Nucleus is in the middle of the atom and contains protons and neutrons. Nuclei have an overall positive charge as protons are positively charged. It is very small compared to the rest of the atom.
  • The Electons of an atom move around the nucleus. They are negatively charged. They're vry small but cover a lot of space. The occupy the shells around the nucleus.
  • The number of protons always

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