The melting point of $Zn$ is lower as compared to those of the other elements of $3d$ series because
the $d$ -orbitals are completely filled
the $d$ -orbitals are partially filled
$d$ -electrons do not participate in metallic bonding
$(A)$ and $(C)$ both
Which of the following is correct
The metal that shows highest and maximum number of oxidation state is:
The addition of metals like $Cr,\,Mn,\,W$ and $Ni$ to ordinary steel makes it
Most stable cation in aqueous medium is
Correct statement for $3d-$ series is