Which is not amphoteric
$A{l^{3 + }}$
$C{r^{3 + }}$
$F{e^{3 + }}$
$Z{n^{2 + }}$
Magnetic moment is expressed in
The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is
Explain the variations in atomic radii of transition elements along the period.
Correct order of atomic Radii (Metallic radii)
Which of the following match is INCORRECT :