kiasmith4370 kiasmith4370
  • 15-12-2022
  • Chemistry
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a certain neutral element (in its ground state) has its outermost electrons in a 3s subshell, and it has valence 2 (that is, it has 2 more electrons than a certain noble gas). what element is it? express your answer using its one- or two-letter abbreviation from the periodic table.

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