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15 December, 20:49

An atom has 18 protons and 8 valence electrons which statement would best identify this element

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  1. 15 December, 21:10
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    It would argon because the atomic number is the same as the protons.
  2. 15 December, 21:15
    0
    Argon has 18 protons which identifies the element and is in group Noble Gases which has 8 valence electrons.
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