The correct order of decreasing third ionisation enthalpy of $Ti, \,V,\, Cr,\, Mn$ is
$Mn > Cr > V > Ti$
$Ti > V > Cr > Mn$
$Cr > Mn > V > Ti$
$V > Mn > Cr > Ti$
Which of the following has '$6$' unpaired $f-$electrons ?
Transition metal with low oxidation number will act as
The correct order of decreasing third ionisation enthalpy of $Ti,\, V,\, Cr,\, Mn$ is
Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its
$(I)$ melting point $(II)$ boiling point $(III)$ density
Which of the following statements are correct?
$(A)$ The electronic configuration of $Cr$ is $[ Ar ] 3 d ^{5}$ $4 s^{1}$.
$(B)$ The magnetic quantum number may have a negative value.
$(C)$ In the ground state of an atom, the orbitals are filled in order of their increasing energies.
$(D)$ The total number of nodes are given by $n-2$.
Choose the most appropriate answer from the options given below ....