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Cl,symbol for the element 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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A line representing an axis of symmetry; usually shown on drawings as a broken line.
The country code for Chile.