Respuesta :

teamtommo
Oxygen is always -2 and Hydrogen is always +1. For the compound to be overall have a charge of zero, all the charges have to add to zero.

1 + x + 3(-2) = 0
1 + x -6 = 0
-5 + x = 0
x = +5
Spymore

HNO3 (Nitric acid)

H⁺¹ N⁺⁵ O₃⁻²​

Oxidation numbers:​

Hydrogen: +1​

Nitrogen: +5​

Oxygen : -2

ANSWER The oxidation number of nitrogen is +5​

[tex]\textbf{Spymore}[/tex]​​​​