Jee Main
Chemical Bonding And Molecular Structure
JEE Main 2024 (Online) 9th April Morning Shift
INTEGER+4 / -12024
The total number of species from the following in which one unpaired electron is present, is _______.
\(\mathrm{N}_2, \mathrm{O}_2, \mathrm{C}_2^{-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}, \mathrm{H}_2^{+}, \mathrm{CN}^{-}, \mathrm{He}_2^{+}\)