The electronic configuration of element `A, B`, and `C`are `[He]2s^(1),[Ne]3s^(1)`, and `[Ar]4s^(1)`, respectively. Which one of

The electronic configuration of element `A, B`, and `C`are `[He]2s^(1),[Ne]3s^(1)`, and `[Ar]4s^(1)`, respectively. Which one of the following order is correct for the `IE_(1) ("in" kJ mol^(-1))` of `A`,`B,` and `C`?
A. `A gt B gtC`
B. `C gt B gt A`
C. `B gt C gt A`
D. `C gt A gt C`

The electronic configuration of element `A, B`, and `C`are `[He]2s^(1),[Ne]3s^(1)`, and `[Ar]4s^(1)`, respectively. Which one of the following order i

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