The atomic radii of the elements are almost same of which series
$Fe - Co - Ni$
$Na - K - Rb$
$F - Cl - Br$
$Li - Be - B$
Which of the following statement is not true
The spin only magnetic moment value of $Cr(CO)_6$ is
A pink colored salt on dry heating becomes blue in colour. Salt may contain
The second and third rows of transition elements resemble each other much more than they resemble the first row. Explain why ?
Among the following, the compound that is both are diamagnetic and coloured is