The spin magnetic moment of cobalt in the compound $Hg[Co{(SCN)_4}]$ is
$1.73$
$2.828$
$3.8$
$4.8$
Which of the following ions has the maximum magnetic moment
The transition metals have a less tendency to form ions due to
Which one of the following ions is colourless
Permanent magnet is made from
The atomic radii of the elements are almost same of which series