The calculated spin-only magnetic moment of $Cr^{2+}$ ion is: (in $text{ BM}$)

The atomic number of $Pd$ is $46$. The atomic numbers of the elements lying immediately above and below it in the same group are,respectively,.....................

The correct order of atomic/ionic radii is

Which among the following elements has the lowest density and is the lightest?

The $d$-block elements consist mostly of

Consider the hydrated ions of $Ti^{2+}$,$V^{2+}$,$Ti^{3+}$,and $Sc^{3+}$. The correct order of their spin-only magnetic moments is