A compound of Vanadium has a magnetic moment of 1.73 Bm. Work out the electric configuration of the Vanadium ion in the compound.

Question

$(a)\;1s^2,2s^22p^6,3s^23p^63d^1\qquad(b)\;1s^2,2s^22p^6,3s^2\qquad(c)\;1s^2,2s^22p^6,3s^23p^5\qquad

(d)\;1s^2,2s^22p^6,3s^23p^63d^3,4s^2$