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Template:Infobox fluorine - Wikipedia, the free encyclopedia

Template:Infobox fluorine

From Wikipedia, the free encyclopedia

9 oxygenfluorineneon
-

F

Cl
General
Name, Symbol, Number fluorine, F, 9
Chemical series halogens
Group, Period, Block 172, p
Appearance Yellowish brown gas
Standard atomic weight 18.9984032(5) g·mol−1
Electron configuration 1s2 2s2 2p5
Electrons per shell 2, 7
Physical properties
Phase gas
Density (0 °C, 101.325 kPa)
1.7 g/L
Melting point 53.53 K
(-219.62 °C, -363.32 °F)
Boiling point 85.03 K
(-188.12 °C, -306.62 °F)
Critical point 144.13 K, 5.172 MPa
Heat of fusion (F2) 0.510 kJ·mol−1
Heat of vaporization (F2) 6.62 kJ·mol−1
Heat capacity (25 °C) (F2)
31.304 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 38 44 50 58 69 85
Atomic properties
Crystal structure cubic
Oxidation states −1
(strongly acidic oxide)
Electronegativity 3.98 (Pauling scale)
Ionization energies
(more)
1st: 1681.0 kJ·mol−1
2nd: 3374.2 kJ·mol−1
3rd: 6050.4 kJ·mol−1
Atomic radius 50 pm
Atomic radius (calc.) 42 pm
Covalent radius 71 pm
(see covalent radius of fluorine)
Van der Waals radius 147 pm
Miscellaneous
Magnetic ordering nonmagnetic
Thermal conductivity (300 K) 27.7 m W·m−1·K−1
CAS registry number 7782-41-4
Selected isotopes
Main article: Isotopes of fluorine
iso NA half-life DM DE (MeV) DP
18F syn 109.77 min ε 1.656 18O
19F 100% F is stable with 10 neutrons
References
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