Question

Which of the following is an ion with a negative one charge?

OH₂C-Ö:
O:0-N=0:
: 0 N
30:
All of these choices.
O None of these choices.

Answer 1

[no2]- it have 1 negative charge

O-N=O

this Single bond O having negative charge because oxygen need 2 electrons to complete its octet and it have only one bond to complete its octet it having one more electron and this one one more electron creates 1 negative charge on this compound