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In the electron-dot structure, the valen...

In the electron-dot structure, the valence-shell electrons are represented by crosses or dots.
(a) The atomic number of chlorine is 17. Write its electronic configuration .
(b) Draw the electron-dot structure of a chlorine molecule.

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a] Chlorine: Cl [17] - electronic configuration is 2,8,7.
b] `:underset(ddot)overset(ddot)(Cl):underset(ddot)overset(ddot)(Cl)`
Chlorine molecule.
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