what is an electron/proton/nutron – Ruthenium Zone

Question: what is an electron/proton/nutron
- Keywords:
  electron,
  neutron,
  proton
Asked by 11adebolla to Hayley on 14 Mar 2013.
- Hayley Evers-King answered on 14 Mar 2013:
  
  They are tiny particles than make up the atoms of an element.

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