An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group? A)period 3; group 17 B)period 3; group 2 C)period 3; group 7 D)period 3; group 3 E)period 3; group 5

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Quizplus · Accepted Answer

The electron configuration 3s²3p⁶ indicates a full set of p orbitals in the third shell, which corresponds to a noble gas configuration. This is characteristic of the element Argon, which is in period 3 and group 18 (not listed, but closest to group 17).

An Element That Has the Valence Electron Configuration 3s23p6 Belongs

An Element That Has the Valence Electron Configuration 3s²3p⁶ Belongs