Determine chromium has the electronic configuration, Chemistry

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Chromium has the electronic configuration 4s¹ 3d⁵rather than4s², 3d⁴ because:

(1) 4s and 3d have the same energy

(2) 4s has a higher energy than 3d

(3)4s¹ is more stable than 4s¹

(4)4s¹3d⁵ half-filled is more stable than 4s² 3d⁴

Ans: 4s¹ 3d⁵ half-filled is more stable than 4s² 3d⁴

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