A transition element `X` has a configuration `[Ar] 3d^(4)` in its ` + 3` oxidation state. Its atomic number is

A transition element X has the configuration [Ar]d^(4) in its +3 oxidation state. Its atomic number is

A transition element X has a configuration 3d^4 in its +3 oxidation state. Its atomic number is not

A transition element X has a configuration 3d^4 in its +3 oxidation state. Its atomic number is not

Transition metal " X " has a configuration [Ar] 3d^(4) in its +3 oxidation state . The atomic number of the metal is

A transition metal ion has configuration [Ar] 3d^4 is in tripositive oxidation state. Its atomic number is

A transition metal ion has configuration [Ar]3d^5 is in tripositive oxidation state. Its atomic number is :