Transition metals show paramagnetism

(a). Why do second and third rows of transition elements resemble each other more closely than the first row? Give reasons: (b). Most transition metals show paramagnetic behaviours. (c). Transition metal and their many compounds are coloured.

(a). Why do second and third rows of transition elements resemble each other more closely than the first row? Give reasons: (b). Most transition metals show paramagnetic behaviours. (c). Transition metal and their many compounds are coloured.

Which one of the following transition metal ions is paramagnetic?

Transition metals are often paramagnetic due to