Periodic Table of the Elements: Chlorine

Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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Periodic Table of the Elements: Chlorine
Atomic Number:17
Atomic Symbol:Cl
 Chlorinechlorine
[Gr.,=green], gaseous chemical element; symbol Cl; at. no. 17; interval in which at. wt. ranges 35.446–35.457; m.p. −100.98°C;; b.p. −34.6°C;; density 3.2 grams per liter at STP; valence −1, +1, +3, +5, +7.
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Atomic Weight:[35.446; 35.457]
Electron Configuration:2 · 8 · 7
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