In the series $Sc (Z = 21)$ to $Zn (Z = 30)$,the enthalpy of atomization of . . . . . . is the lowest.

Which of the following transition metals has the lowest boiling point $(B.P.)$?

Which of the following have a melting point below $500\,^{\circ}C$?

The maximum and minimum melting points $(m.p.)$ of the $1^{st}$ transition series and $2^{nd}$ transition series respectively are obtained with:

Which of the following is arranged in order of increasing melting point?

In the first transition series,the melting point of $Mn$ is low because