General: |
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Name: Fluorine
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Symbol: F
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Group: Halogen
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Atomic weight: 18.998403
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Density @ 293 K: 0.001696 g/cm3
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Atomic volume: 17.1 cm3/mol
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Group: Halogen
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discovered: 1886
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States: |
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state (s, l, g): g
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melting point: 53.58 K
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boiling point: 85.1 K
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Heat of fusion: 0.2552 kJ/mol
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Heat of vaporization: 3.2698 kJ/mol
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Energies: |
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1st ionization energy: 1681 kJ/mole
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electronegativity: 3.98
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2nd ionization energy: 3374.1 kJ/mole
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electron affinity: 328 kJ/mole
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3rd ionization energy: 6050.3 kJ/mole
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Specific heat: 0.82 J/gK
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heat atomization: 79 kJ/mole atoms
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Oxidation & Electrons: |
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Shells: 2,7
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electron configuration: [He] 2s2 2p5
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minimum oxidation number: -1
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maximum oxidation number: 0
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min. common oxidation no.: -1
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max. common oxidation no.: 0
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Appearance & Characteristics: |
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structure: layers of F2
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color: colorless
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uses: fluorocarbons, toothpaste
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toxicity: yes
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hardness: mohs
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characteristics: diatomic(F2), corrosive
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Reactions: |
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reaction with air: none
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reaction with 6M HCl: vigorous, =>HF, OF2, ClF3
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reaction with 6M HCl: vigorous, =>HF, OF2, ClF3
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reaction with 15M HNO3:
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reaction with 6M NaOH: vigorous, =>O2, NaF
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Other Forms: |
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number of isotopes: 1
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hydride(s): HF
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oxide(s): OF2
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chloride(s): ClF ClF3 ClF5
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Radius: |
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ionic radius (2- ion): pm
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ionic radius (1- ion): 119 pm
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atomic radius: 72 pm
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ionic radius (1+ ion): pm
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ionic radius (2+ ion): pm
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ionic radius (3+ ion): pm
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Conductivity: |
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thermal conductivity: 0.03 J/m-sec-deg
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electrical conductivity: 0 1/mohm-cm
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polarizability: 0.634 A^3
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Abundance: |
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source: Fluorite (misc)
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rel. abund. solar system: 2.926 log
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abundance earth's crust: 2.8 log
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cost, pure: 190 $/100g
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cost, bulk: $/100g
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