The ground state configuration of chlorine (Z = 17) is A) 1s² 2s² 2p⁵ 3s² 3p⁶ B) 1s² 2s² 2p⁶ 3s² 3p⁵ C) 1s² 2s² 2p⁶ 3s² 3p⁴ 3d¹ D) 1s² 2s² 2p⁶ 3s² 3p⁵ 4s¹ E) 1s² 2s² 2p⁶ 3s¹ 3p⁷

Question

Quizplus · Accepted Answer

The ground state configuration of chlorine (Z=17) is 1s2 2s2 2p6 3s2 3p5, which can be written as 1s² 2s² 2p⁶ 3s² 3p⁵. Among the given choices, only option B matches this configuration.

The Ground State Configuration of Chlorine (Z = 17) Is