Answers

The Brainliest Answer!
2016-01-08T19:48:11+05:30
It is not possible because for first 2 electrons the first shell is finished
next 8 electrons next shell will be filled
remaining 7 electrons may be the valency
1 5 1
2016-01-09T13:18:26+05:30
SEE THE ATTACHED DOCUMENT......... 
i hope it helps..................
1 5 1
SRY but im not able to read this document