What is the valence-shell electron configuration for the fourth-period element in Group VA? A)4s²5p⁵ B)5s²5p⁵ C)4s²4p³ D)5s²4p⁵ E)4s²3d³

Name: What is the valence-shell electron configuration for the fourth-period element in Group VA? A)4s 2 5p 5 B)5s 2 5p 5 C)4s 2 4p 3 D)5s 2 4p 5 E)4s 2 3d 3
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Quizplus · Accepted Answer

The fourth-period element in Group VA (15) is phosphorus (P). Its valence-shell electron configuration is 3s^2 3p^3, which corresponds to the simplified notation in choice C.

What Is the Valence-Shell Electron Configuration for the Fourth-Period Element