Which element has the least density at STP?
1 answer:
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Notes:-
- S has Z=16
Electronic configuration
- 1s²2s²2p⁶3s²3p⁴
So
- Valency is 4 and 6
- Three fluorine atoms take 3 electrons and one lone pair present over S
- As one electron remains unshared so we use + sign .
