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

User Ashly
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It would argon because the atomic number is the same as the protons.
User Thibstars
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4 votes
Argon has 18 protons which identifies the element and is in group Noble Gases which has 8 valence electrons.
User Eastwater
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