STANDARD Chemistry Ionization Energy MCQ Question
Which electronic configuration of an element has abnormally high difference between second and third ionization energy?
1s², 2s², 2p⁶, 3s¹
1s², 2s², 2p⁶, 3s¹ 3p¹
1s², 2s², 2p⁶, 3s² 3p²
1s², 2s², 2p⁶, 3s²
Correct Answer
Detailed Explanation
Abnormally high difference between 2nd and 3rd ionization energy means that the element has two valence electrons.
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