Klor
17
Cl
Gruppe
17
Periode
3
Blok
p
Protoner
Elektroner
Neutroner
17
17
18
Generelle Egenskaber
Atomnummer
17
Atommasse
35,453
Masseantal
35
Kategori
Halogener
Farve
Gul
Radioaktiv
Nej
From the Greek word chloro, greenish yellow
Krystalstruktur
Endecentreret Orthohombisk
Historie
Around 1630, chlorine was recognized as a gas by the Belgian chemist and physician Jan Baptist van Helmont.
Elemental chlorine was first prepared and studied in 1774 by Swedish chemist Carl Wilhelm Scheele.
By 1810, the scientific consensus was that chlorine was actually a compound that contained oxygen.
In 1811, Sir Humphry Davy concluded the new gas was in fact a new element.
Elemental chlorine was first prepared and studied in 1774 by Swedish chemist Carl Wilhelm Scheele.
By 1810, the scientific consensus was that chlorine was actually a compound that contained oxygen.
In 1811, Sir Humphry Davy concluded the new gas was in fact a new element.
Elektroner i hver skal
2, 8, 7
Elektronkonfiguration
[Ne] 3s2 3p5
Tree frogs have a chlorine compound in their skin that is a very powerful pain killer
Fysiske Egenskaber
Tilstandsform
Gas
Massefylde
0,003214 g/cm3
Smeltepunkt
171,65 K | -101,5 °C | -150,7 °F
Kogepunkt
239,11 K | -34,04 °C | -29,27 °F
Smeltevarme
3,2 kJ/mol
Fordampningsvarme
10,2 kJ/mol
Varmefylde
0,479 J/g·K
Forekomst i jordskorpen
0,017%
Forekomst i universet
0,0001%
CAS-nummer
7782-50-5
PubChem CID-nummer
24526
Atomare egenskaber
Atomradius
79 pm
Kovalent radius
102 pm
Elektronegativitet
3,16 (Paulings skala)
Ioniseringspotentiale
12,9676 eV
Atomvolumen
22,7 cm3/mol
Varmeledningsevne
0,000089 W/cm·K
Oxidationstrin
-1, 1, 2, 3, 4, 5, 6, 7
Anvendelser
Chlorine is used for producing safe drinking water.
It is also extensively used in the production of paper products, dyestuffs, textiles, petroleum products, medicines, antiseptics, insecticides, food, solvents, paints, plastics, and many other consumer products.
Chlorinated compounds are used mostly for sanitation, pulp bleaching, disinfectants, and textile processing.
It is also extensively used in the production of paper products, dyestuffs, textiles, petroleum products, medicines, antiseptics, insecticides, food, solvents, paints, plastics, and many other consumer products.
Chlorinated compounds are used mostly for sanitation, pulp bleaching, disinfectants, and textile processing.
Elemental chlorine at high concentrations is extremely dangerous and poisonous
Isotoper
Stabile isotoper
35Cl, 37ClUstabile isotoper
28Cl, 29Cl, 30Cl, 31Cl, 32Cl, 33Cl, 34Cl, 36Cl, 38Cl, 39Cl, 40Cl, 41Cl, 42Cl, 43Cl, 44Cl, 45Cl, 46Cl, 47Cl, 48Cl, 49Cl, 50Cl, 51Cl