Super alloys are usually

The higher number of unpaired electrons are in

Given below are two statements:
Statement-$I$: The first ionization enthalpy of $Cr$ is lower than that of $Mn$.
Statement-$II$: The second and third ionization enthalpies of $Cr$ are higher than those of $Mn$.
In the light of the above statements, choose the correct answer from the options given below:

The element with atomic number $23$ is placed in the periodic table in:

Because of lanthanoid contraction,which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers)

Which of the following is a correct statement?