The electron configuration of elements A, B and C are [He]2s1,[Ne]3s1� – McqOptions

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1.	The electron configuration of elements A, B and C are [He]2s1,[Ne]3s1 and [Ar]4s1 respectively. Which one of the following order is correct for the first ionization potentials (in kJ mol–1) of A, B and C?
A.	A u003e B u003e C
B.	C u003e B u003e A
C.	B u003e C u003eA
D.	C u003e A u003e C
Answer» B. C u003e B u003e A

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