Which of the following paramagnetic ions has a magnetic moment (spin-only) of the order of $5 \ BM$? $(Mn = 25, Cr = 24, V = 23, Ti = 22)$

Determine whether the following statements are True $(T)$ or False $(F)$:
$(a)$ The atomic radii of the elements of the second transition series $(4d)$ are larger than those of the first transition series $(3d)$.
$(b)$ $Cr^{+}$,$Mn^{2+}$,and $Fe^{3+}$ have the same electronic configuration.
$(c)$ $Cr^{+}$,$Mn^{2+}$,and $Fe^{3+}$ have the same $d^5$ electronic configuration.

Which one of the following has a magnetic moment of $1.75 \ BM$?

Which of the following electronic configurations of a transition metal atom shows the highest oxidation state?

Which of the following represents the correct order of atomic radii (metallic radii) for the given transition elements?

Which of the following is most paramagnetic?