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Which of the following represents the electronic configuration of an element with atomic number 17:

(1) 1s^2, 2s², 2p⁶, 3s^1, 3p⁶

(2) 1s², 2s², 2p⁶, 3s², 3p⁴, 4s¹

(3) 1s², 2s², 2p⁶, 3s², 3p⁵

(4) 1s^2, 2s², 2p⁶, 3s¹, 3p^4, 4s²

Ans: 1s², 2s^2, 2p⁶, 3s², 3p⁵

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Category:- Chemistry
Reference No.:- M9549216

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