Fluorine

Symbol: F
Atomic Number: 9
Atomic Weight: 18.998403
Element Classification: Halogen
Discovered By: Henri Moissan
Discovery Date: 1886 (France)
Name Origin: Latin: fluere (flow).

Density (g/cc): 1.108 (@ -189C)
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 (@20C J/g mol): 0.824 (F-F)
Fusion Heat (kJ/mol): 0.51 (F-F)
Evaporation Heat (kJ/mol): 6.54 (F-F)
Thermal Conductivity (@25C W/m K):
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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