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Interactive OnLine Periodic Table - Click on the Atomic Symbol to see the Atomic Weight, number, history & physical description. Includes CAS, density, crystal structure, % purity, and particle size for each product
Physical Properties of Elements for Research & Industry
AEE Website Table of Contents

CHLORINE

Atomic Symbol

Cl

Atomic Weight

35.4527

Atomic Number

17

Electron Configuration

2-8-7

Oxidation States

±1, +5, +7

State of Matter

Gas non-metal

Boiling Point

-35 °C

Freezing Point

-101 °C

HISTORY, BACKGROUND & USES:
Chlorine is very poisonous because of its great activity. Also because of its activity it is not found free in nature. Chlorine is the most abundant halogen. Chlorine is found in seawater, rock salt beds, human gastric jucies. Practically all chlorine comes from the electrolysis of brine, or a concentrated solution of salt. Chlorine has a sharp, disagreeable odor that attacks the skin and mucous membranes of the nose and throat. Much chlorine is used to bleach wood pulp for the paper industry and cotton and linen fabrics. Tap water is chlorinated to kill bacteria and likewise swimming pools.

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ATLANTIC EQUIPMENT ENGINEERS

13 Foster Street, Bergenfield, NJ 07621
Phone: (800) 486-2436 or (201) 384-5606
FAX: 201-387-0291

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