valency of N,O,C and Helium are....
2 3 4 1
3 2 4 1
1 2 4 0
none of these
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1
3 2 4 1
....plz plz mark me as brainliest
....plz plz mark me as brainliest
avni1101:
r u sure...321 is the answer
because i wrote ur answer in my exam
I m 101% sure
hahaa 1%jyada
yeah
Answered by
0
"none of these" is the correct answer
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