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Outermost electronic configurations of 4...

Outermost electronic configurations of 4 elements A,B,C,D. A:`3s^(2)` B: `3s^(2)3p^(1)` C: `3s^(2)3p^(3)` D: `3s^(2)3p^(4)`, Correct order of first ionization enthalpy is?

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
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