Magnetic moment $2.84\, B.M.$ is given by (At. nos. $Ni = 28, Ti = 22, $$Cr = 24, Co = 27$)
$Cr^{2+}$
$Co^{2+}$
$Ni^{2+}$
$Ti^{3+}$
Which of the following order is correct
Correct order of atomic Radii (Metallic radii)
In first transition series, the melting point of $Mn$ is low because
Which of the following pairs involves isoelectronic ions