Which of the following has maximum first ionisation energy ?
$Pd$ (atomic no. $= 46$)
$Ag$ (atomic no. $= 47$)
$Rb$ (atomic no. $= 37$)
$Y$ (atomic no. $= 39$)
Which of the following element has maximum first ionisation potential
Mercury is the only metal which is liquid at ${0\,^o}C$. This is due to its
The metal that shows highest and maximum number of oxidation state is:
Effective magnetic moment of $S{c^{ + 3}}$ ion is
Transition metal with low oxidation number will act as