The Azimuthal quantum number for the valence electrons of $\mathrm{Ga}^{+}$ion is $.....$
(Atomic number of $\mathrm{Ga}=31$ )
$0$
$1$
$2$
$3$
What is enthalpy of atomisation ? Explain. OR Write a note on enthalpy of atomisation.
The element the usually does $NOT$ show variable oxidation states is
Effective magnetic moment of $S{c^{ + 3}}$ ion is
Which ion is not coloured
All the following statements about the transitional elements are true except that