• Question: What is an atom?

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      Asked by Pie man to Elizabeth on 16 Mar 2015.
      • Photo: Elizabeth Cooper

        Elizabeth Cooper answered on 16 Mar 2015:

        An atom is the smallest unit of matter that defines the chemical elements. So every chemical element on the periodic table is an atom. A lots of atoms joined together to make chemicals. A atom consists of a neutron, protons with a positive charge and a electrons with negative charge.

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