Atomic Structure Question 260
Question: $ Fe $ (atomic number = 26) atom has the electronic arrangement [NCERT 1974; MNR 1980]
Options:
A) 2, 8, 8, 8
B) 2, 8, 16
C) 2, 8,14, 2
D) 2, 8, 12, 4
Show Answer
Answer:
Correct Answer: C
Solution:
$ 1s^{2}2s^{2}2p^{6},3s^{2}3p^{6},4s^{2}3d^{6}=2,,8,,14,,2 $ .