Ncert Exercises & Solutions

3.29 Write the general outer electronic configuration of s-, p-, d- and f- block elements.

Element General outer electronic configuration
s–block	$n s^{1 - 2},$
p–block	$n s^{2} n p^{1 - 6},$
d–block	$(n - 1) d^{1 - 10} n s^{1 - 2}, w h e r e n = 4, 5, 6, 7$
f–block	$(n - 2) f^{1 - 14} (n - 1) d^{0 - 1} n s^{2}, w h e r e n = 6, 7$