Questions
Which pair(s) of atoms or ions will NOT have same electronic configuration?
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By Expert Faculty of Sri Chaitanya
a
F and Ne
b
Li⊕ and He+
c
Na and K
d
Cl⊖ and Ar
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Correct option is A
Cl=3s23p5,Cl⊖=3s23p6,Ar=3s23p6
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