The melting point of $Zn$ is lower as compared to those of the other element of $3d$ series because
The $d-$ orbitals are completely filled
The $d-$ orbitals are partially filled
$Zn$ is a transition element
All of these
Which diagram of ionization energy is correct ?
Which of the following statements is not correct about $Cu^{2+}$, and $Cu^+$
The melting point of $Zn$ is lower as compared to those of the other elements of $3d$ series because
Percentage of silver in German silver is
The atomic number of vanadium $(V)$, chromium $(Cr)$, manganese $ (Mn)$ and iron $(Fe) $ are respectively $ 23,\, 24, \,25 $ and $ 26 $ which one of these may be expected to have the highest second ionization enthalpy