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Chemistry, 31.08.2019 07:50 scottbrandon653
element z is a neutral element and has 39 protons. what element is it and how many electrons does it have? (use the periodic table)
platinum – 78
yttrium – 39
argon – 18
there is not enough information given to determine.
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element z is a neutral element and has 39 protons. what element is it and how many electrons does it...
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