Question

no of protons in NO2+​

Answer 1

ɴᴏ ᴏғ ᴘʀᴏᴛᴏɴ ɪɴ

${N\:is\:7}$

so ,

N = 7

_______________

ɴᴏ ᴏғ ᴘʀᴏᴛᴏɴ ɪɴ

${O\:is\:8}$

_______________

Here there is 2 oxygen atom so .

8 × 2 = 16

total no.of proton in ${{NO}_{2}\:=\:7\:+\:16}$

= 23 ..