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Fluorine

F Fluorine
9
18.998403
2
Symbol
F
Atomic Number
9
Atomic Weight
18.998403
Element Classification
Discovered By
Henri Moissan
Discovery Date
1886 (France)
Name Origin
Latin: fluere (flow).
Density (g/cc)
1.108 (@ -189°C)
Melting Point (K)
53.53
Boiling Point (K)
85.01
Appearance
Greenish-yellow, pungent, corrosive gas
Atomic Radius (pm)
n/a
Atomic Volume (cc/mol)
17.1
Covalent Radius (pm)
72
Ionic Radius
133 (-1e)
Specific Heat
0.824 (F-F)
Fusion Heat (kJ/mol)
0.51 (F-F)
Evaporation Heat (kJ/mol)
6.54 (F-F)
Thermal Conductivity (@25°C W/m K)
0.028
Debye Temperature (K)
n/a
Pauling Negativity Number
3.98
First Ionizing Energy (kJ/mol)
1680.0
Oxidation States
-1
Electronic Configuration
[He] 2s2 2p5
Lattice Structure
Monoclinic(MCL)
Lattice Constant
n/a
Lattice C/A Ratio
n/a

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Fluorine

Columbia Encyclopedia

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