The configuration of the valence orbital of an element with atomic number 22 is

Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties

1. 3d⁵ 4s¹
2. 3d² 4s²
3. 4s¹ 4p¹
4. 3d² 4s¹ 4p¹

Answer

(B) 3 d 2 4 s 2

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