Periodic Table and Periodicity

Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-baqh{text-align:center;vertical-align:top} .tg .tg-amwm{font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0lax{text-align:left;vertical-align:top} List I Species List II Electronic distribution (A) $\mathrm{Cr^{+2}}$ (I) $\mathrm{3d^8}$ (B) $\mathrm{Mn^+}$ (II) $\mathrm{3d^34s^1}$ (C) $\mathrm{Ni^{+2}}$ (III) $\mathrm{3d^4}$ (D) $\mathrm{V^+}$ (IV) $\mathrm{3d^54s^1}$ Choose the correct answer from the options given below :