IGCSE Chemistry - Atomic Structure

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Atoms are made of protons, neutrons & electrons..

The nucleus of an atom contains the protons and neutrons. The electrons orbit around the nucleus in the orbital shell.

  • Protons have a positive charge
  • Neutrons have a no charge
  • Electrons have a negative charge

The number of protons in an atom is called its atomic number.

The number of protons & neutrons together is


Billy Goldstein


Thank you A*

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