• Question: what is element 40 William?

    Asked by anon-227179 to William on 19 Nov 2019.
    • Photo: William Wiseman

      William Wiseman answered on 19 Nov 2019:

      Element 40 is Zirconium (Zr). Each element has an atomic number and this is how many protons are in the nucleus of the atom Hydrogen is 1, Helium is 2 for examples.

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