The electronic configuration of chlorine (atomic number 17) is 1s² 2s² 2p⁶ 3s² 3p⁵.
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The electronic configuration of chlorine (atomic number 17) is 1s² 2s² 2p⁶ 3s² 3p⁵.
The electronic configuration of chlorine is 3s² 3p⁵. Chlorine, a halogen in Group 17 of the periodic table, has an atomic number of 17. Its electron configuration reflects the filling of electron orbitals up to the seventh electron. The noble gas neon ([Ne]) represents the completed electron configuration of the inner shells (up to 10 electrons), and the remaining seven electrons are distributed in the 3s and 3p orbitals. This configuration highlights the outer electron arrangement of chlorine, contributing to its chemical properties, particularly its tendency to gain one electron to achieve a stable, full valence electron shell.