" Among the following,densest transition metal "

Among the following series of transition metals ions, the one where all metal ions have 3d^(2) electronic configuration is:

Among the following series of transition metal ions, the one where all metal ion have the sae 3d electronic configuration is

Among the following series of transition metal ions, the one where all metal ions have 3d^(2) electronic configuration is:

Among the following series of transition metal ions the one where all metal ions have 3d^2 electronic configuration is

Among the following series of transition metal ions the one where all metal ions have 3d^2 electronic configuration is

among the following series of transition metal ions, the one where all ions have some 3d electronic configuration is

Which one of the following is a transition metal ?

Which of the following is a transition metal ?