The bond order of $NO$ molecule is
$1$
$2$
$2.5$
$3$
Which of the following statement is correct about $I^+_3$ and $I^-_3$ molecular ions ?
Which of the following is paramagnetic ?
Atomic number of an element is $26.$ The element shows
According to molecular theory, the species among the following that does not exist is
The total number of electron that takes part in forming bonds in ${N_2}$ is