Structure of Atom - Result Question 54

####58. Which of the following species has four lone pairs of electrons?

[1993]

(a) I

(b) O

(c) Cl

(d) He

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Solution:

  1. (c) Outer electronic configuration of Cl =3s23px23py23pz1

Outer electronic configuration of Cl=3s23px23py23pz2

hence, Clcontains four lone pairs of electrons.



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