Outermost electronic configuration of least electronegative element in the periodic table…

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. 2s² 2p⁵
2. 3s² 3p⁵
   
3. 2s² 2p⁴
4. 6s² 6p⁶ 7s¹

Answer

(D) 6s 2 6p 6 7s 1

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