JEE PYQ: Atomic Structure Question 22
Question 22 - 2020 (05 Sep Shift 1)
In the sixth period, the orbitals that are filled are:
(1). (6s, 4f, 5d, 6p)
(2). (6s, 5d, 5f, 6p)
(3). (6s, 5f, 6d, 6p)
(4). (6s, 6p, 6d, 6f)
Show Answer
Answer: (1)
Solution
By $(n + \ell)$ rule: 6s < 4f < 5d < 6p.