Justify the electronic configurations of d-block and f-block elements.*for d-block explain why the s orbital has a possibility of having 0 electrons in case of ns0-2 and (n-1)d1-10 as according to Aufbau principal/n+l rule, the lower subshells are filled first**Same for the f-block elements, why can d subshell have 0-1 electrons as in (n-2)f1-14 (n-1)d1-10 ns0-2, and also clarify the same concept of s orbital having a chance of having 0 electrons at the minimum*

Justify the electronic configurations of d-block and f-block elements.

1.	Justify the electronic configurations of d-block and f-block elements.for d-block explain why the s orbital has a possibility of having 0 electrons in case of ns0-2 and (n-1)d1-10 as according to Aufbau principal/n+l rule, the lower subshells are filled firstSame for the f-block elements, why can d subshell have 0-1 electrons as in (n-2)f1-14 (n-1)d1-10 ns0-2, and also clarify the same concept of s orbital having a chance of having 0 electrons at the minimum
Answer» Justify the electronic configurations of d-block and f-block elements. for d-block explain why the s orbital has a possibility of having 0 electrons in case of ns0-2 and (n-1)d1-10 as according to Aufbau principal/n+l rule, the lower subshells are filled first Same for the f-block elements, why can d subshell have 0-1 electrons as in (n-2)f1-14 (n-1)d1-10 ns0-2, and also clarify the same concept of s orbital having a chance of having 0 electrons at the minimum