Fluorine Element Properties

Fluorine

p8
O
Oxygen
p9
F
Fluorine
p10
Ne
Neon
General
Name(Fluorine)
Symbol(F)
Number(9)
Group Number(17)
Group(Halogen)
Block(p)
Density(0.001696 g/cm3)
Atomic Weight(18.998403 g/mol)
Atomic Volume(17.1 cm3/mol)
Discover(1886)


States
State(Gas)
Melting Point(53.53 K)
Boiling Point(85.03 K)
Triple Point(Nil)
Critical Point(144.13 K)
Heat of Fusion(0.510 kJ/mol)
Heat of Vaporization(6.62 kJ/mol)


Energies
First Ionization Energy(1681 kJ/mole)
Second Ionization Energy(3374.1 kJ/mole)
Third Ionization Energy(6050.3 kJ/mole)
Electronegativity(3.98)
Electron Affinity(328 kJ/mole)
Specific Heat(0.82 J/gK)
Heat Atomization(79 kJ/mole atoms)


Oxidation and Electrons
Shells(2,7)
Electron Configuration(1s2 2s2 2p5)
Minimum Oxidation Number(-1)
Maximum Oxidation Number(0)
Minimum Common Oxidation Number(-1)
Maximum Common Oxidation Number(0)


Appearance and Characteristics
Crystal Structure(cubic)
Characteristics(diatomic(F2), corrosive)
Color(colorless)
Uses(fluorocarbons, toothpaste)
Hardness(mohs)
Toxicity(Yes)


Reactions
Reaction with Air(None)
Reaction with 6M HCl(vigorous, =>HF, OF2, ClF3)
Reaction with 15M HNO3(None)
Reaction with 6M NaOH(vigorous, =>O2, NaF)


Other Forms
Number of Isotopes(1)
Hydride(HF)
Oxide(OF2)
Chloride(ClF ClF3 ClF5)


Radius
Atomic Radius(72 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(119 pm)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(0.03 J/m-sec-deg)
Electrical Conductivity(0 1/mohm-cm)
Polarizability(0.634 A3)


Abundance
Source(Fluorite (misc))
Relation Abundance Solar System(2.926 log)
Abundance Earths Crust(2.8 log)


p8
O
Oxygen
p9
F
Fluorine
p10
Ne
Neon

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