Answers

  • Brainly User
2015-06-03T17:12:53+05:30
Valency will be 1 hope it helps u
Ec will be 2 , 8 , 7 

plz mark it as the best
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  • Brainly User
2015-06-03T17:13:34+05:30
Ec will be 2 , 8 , 7 Valency will be 3 because it needs only 2 more to complete its last shell
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Sorry valency is 1 because it' needs only 1 to complete it's last shell