Chlorine
17Cl
F ↑ Cl ↓ Br Periodic table sulfur ← chlorine → argon
Panagway
pale yellow-green gas
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	chlorine, Cl, 17
Paglitok	/ˈklɔəriːn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-een]] or /ˈklɔərᵻn/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-ən]]
Kategoriyang elemento	halogen
Group, period, block	17, 3, p
Gibug-aton sa atomo	35.45(1)
Kontorno sa elektron	[Ne] 3s2 3p5 2, 8, 7
History
Pagkadiskobre	Carl Wilhelm Scheele (1774)
First isolation	Carl Wilhelm Scheele (1774)
Recognized as an element by	Humphry Davy (1808)
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 3.2 g/L
Liquid density at b.p.	1.5625[1] g·cm−3
Melting point	171.6 K, -101.5 °C, -150.7 °F
Boiling point	239.11 K, -34.04 °C, -29.27 °F
Critical point	416.9 K, 7.991 MPa
Heat of fusion	(Cl2) 6.406 kJ·mol−1
Heat of vaporization	(Cl2) 20.41 kJ·mol−1
Molar heat capacity	(Cl2) 33.949 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 128 139 153 170 197 239
Atomic properties
Oxidation states	7, 6, 5, 4, 3, 2, 1, -1 (strongly acidic oxide)
Electronegativity	3.16 (Pauling scale)
Ionization energies (more)	1st: 1251.2 kJ·mol−1
	2nd: 2298 kJ·mol−1
	3rd: 3822 kJ·mol−1
Covalent radius	102±4 pm
Van der Waals radius	175 pm
Miscellanea
Crystal structure	orthorhombic
Magnetic ordering	diamagnetic[2]
Electrical resistivity	(20 °C) > 10 Ω·m
Thermal conductivity	8.9Plantilya:E  W·m−1·K−1
Speed of sound	(gas, 0 °C) 206 m·s−1
CAS registry number	7782-50-5
Most stable isotopes
Main article: Isotopes of chlorine
iso NA half-life DM DE (MeV) DP 35Cl 75.77% 35Cl is stable with 18 neutrons 36Cl trace 3.01×105 y β− 0.709 36Ar ε - 36S 37Cl 24.23% 37Cl is stable with 20 neutrons
v t e · r

Ang klorin o cloro (Iningles chlorine) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Cl ug kaiphan nga atomik 17. Ang klorin mao ang halogen.

1. ↑ Chlorine, Gas Encyclopaedia, Air Liquide
2. ↑ Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.