kingleezyl758 kingleezyl758

25-09-2022
Chemistry

Answered

Element R is in Group IV and Period 5 of the Periodic Table. An atom of R would be expected to have

5 occupied electron shells and 4 valence electrons
4 occupied electron shells and 5 valence electrons
5 occupied electron shells and 6 valence electrons
6 occupied electron shells and 5 valence electrons

Answer :

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