Which electronic configuration of an element has abnormally high difference

Which Electronic Configuration Of An Element Has Abnormally High Difference Chemistry Question

Which electronic configuration of an element has abnormally high difference between second and third ionization energy ?

Options

(a) I s², 2s², 2p⁶, 3s¹
(b) I s², 2 s², 2 p⁶, 3s¹ 3 p¹
(c) I s², 2 s², 2 p⁶, 3s² 3 p²
(d) I s², 2s², 2p⁶, 3s²

Correct Answer:

I s², 2s², 2p⁶, 3s²

Explanation:

Abnormally high difference between 2nd and3rd ionization energy means that the elementhas two valence electrons, i.e., configuration(d)

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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