Which among the following elements does $NOT$ exhibit ferromagnetic properties?

In the periodic table,the first transition series is placed in:

What are the different possible oxidation states exhibited by scandium $(Sc)$?

Which of the following ions will exhibit colour in aqueous solution?

Which of the following statements are correct? $(1)$ Manganese can exhibit a $+7$ oxidation state. $(2)$ Zinc forms colored ions. $(3)$ $[CoF_6]^{3-}$ is diamagnetic. $(4)$ $Sc$ can exhibit a $+4$ oxidation state. $(5)$ $Zn$ exhibits only a $+2$ oxidation state.

The common oxidation state of scandium $(Sc)$,a transition element,is: