Which of the following element has maximum first ionisation potential
$V$
$Ti$
$Cr$
$Mn$
Addition of non-metals like $B$ and $C$ to the interstitial sites of a transition metal results the metal
Which one of the following compounds is not coloured
The metal that shows highest and maximum number of oxidation state is:
Which of the following ions has the maximum magnetic moment
Permanent magnet is made from