Atomic Structure Question 341

Question: An atom has 2 electrons in K shell, 8 electrons in L shell and 6 electrons in M shell. The number of s -electrons present in that element is [CPMT 1989]

Options:

A) 6

B) 5

C) 7

D) 10

Show Answer

Answer:

Correct Answer: A

Solution:

Shell = K, L, M = 1s2

2s22p6

3s23p4
Hence the number of s electron is 6 in that element.



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