Chemical properties – Chlorine symbol, electronic configuration, density



Chlorine is a halogen, found in the periodic table in group 17. As the chloride ion, which is part of common salt and other compounds, it is abundant in nature and necessary to most forms of life, including humans. In its elemental form under standard conditions, chlorine is a powerful oxidant and is used in bleaching and disinfectants, as well as an essential reagent in the chemical industry. As a common disinfectant, chlorine compounds are used in swimming pools to keep them clean and sanitary. It is also used in making plastics, solvents for dry cleaning and metal degreasing, textiles, agrochemicals and pharmaceuticals, insecticides, dyestuffs, household cleaning products, etc.

Chemical Properties.

Appearance Pale Yellow-Green Gas
Atomic Number 17
Atomic Weight 35.453 g/mol
Block p
Boiling Point -34.04 °C
CAS Number 7782-50-5
Class 2.3
Crystal Structure Orthorhombic
Density 3.2 g/l
EINECS Number 231-959-5
Electron Configuration 1s2 2s2 2p6 3s2 3p5
Group 17
Ionization Energy 1251.2 KJ/mol
Melting Point -101.5 °C
NFPA 704 H-4,F-0,R-0,C-OXY
Oxidation State 7,6,5,4,3,2,1,-1
Period 3
RTECS Number FO2100000
Symbol Cl
Synonyms Chlorine Gas


chlorine producer/supplier –

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