An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group? A) period 3; group 18 B) period 3; group 2 C) period 3; group 17 D) period 3; group 3 E) period 3; group 5

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Quizplus · Accepted Answer

The electron configuration 3s²3p⁶ indicates a full outer shell for the third energy level, which corresponds to a noble gas. Noble gases are in group 18, and since the highest principal quantum number is 3, it belongs to period 3.

An Element That Has the Valence Electron Configuration 3s23p6 Belongs

An Element That Has the Valence Electron Configuration 3s²3p⁶ Belongs