• Question: whats a molecule?

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      Asked by Chloe to Ruth on 13 Jun 2016.
      • Photo: Ruth Patchett

        Ruth Patchett answered on 13 Jun 2016:

        A molecule is a group of atoms that are held together by chemical bonds. They can be very small like nitrogen gas which is just 2 nitrogen atoms bonded together or hundreds of atoms joined together.

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