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| General
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| Name, Symbol, Number
| Fluorine, F, 9
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| Series
| Halogens
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| Group, Period, Block
| 17 (VIIA), 2 , p
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| DensityFor other meanings of density, see density (disambiguation Density (symbol: rho Greek: rho) is a measure of mass per unit of volume. The higher an object's density, the higher its mass per volume. The average density of an object equals its total mass div, Hardness
| 1.696 kg/m3Kilogram per cubic metre is the SI measure of density and is represented as kg/m³, where kg stands for kilogram and m³ stands for cubic metre. The density of water is about 1000 kg/m³, since a cubic metre of water weighs about a tonne. kg/m³" is sometimes (273 KThe kelvin (symbol: K is the SI unit of temperature, and is one of the seven SI base units. It is defined by two facts: zero kelvin is absolute zero (when molecular motion stops), and one kelvin is the fraction 1/273. 16 of the thermodynamic temperature o), NA
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| AppearanceFor alternative meanings, see color (disambiguation). visual arts. Color (or colour is a sensation which (in humans) derives from the ability of the fine structure of the eye to distinguish three differently filtered analyses of a view. The perception of
| pale greenish-yellow gas
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| Atomic properties
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| Atomic weightIn reference to a certain isotope of a chemical element, atomic weight (more accurately relative atomic mass though also called simply atomic mass is the mass of one atom of the isotope expressed in units atomic mass unit amu) such that the Carbon-12 isot
| 18.9984 amuThe atomic mass unit amu , unified atomic mass unit u , or dalton Da , is a small unit of mass used to express atomic masses and molecular masses. It is defined to be 1/12 of the mass of one atom of Carbon-12. Accordingly, :1 u 1/N gram 1/(1000 N) kg (whe
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| Atomic radiusAtomic radius is the distance from the atomic nucleus to the outmost stable electron orbital in a atom that is at equilibrium and is measured in picometers or Angstroms. Atomic radii are called covalent radii (a reference to the types of bonds formed) whe (calc.)
| 50 (42) pm
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| Covalent radius
| 71 pm
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| van der Waals radius
| 147 pm
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| Electron configuration
| [ He]2s2 2p5
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| e- 's per energy level
| 2, 7
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| Oxidation states ( Oxide)
| -1 (strong acid)
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| Crystal structure
| cubic
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| Physical properties
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| State of matter
| Gas ( nonmagnetic)
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| Melting point
| 53.53 K (-363.32 ° F)
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| Boiling point
| 85.03 K (-306.62 °F)
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| Molar volume
| 11.20 ×10-6 m3/mol
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| Heat of vaporization
| 3.2698 kJ/mol
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| Heat of fusion
| 0.2552 kJ/mol
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| Vapor pressure
| no data
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| Speed of sound
| no data
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| Miscellaneous
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| Electronegativity
| 3.98 ( Pauling scale)
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| Specific heat capacity
| 824 J/(kg*K)
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| Electrical conductivity
| no data
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| Thermal conductivity
| 0.0279 W/(m*K)
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| 1st ionization potential
| 1681.0 kJ/mol
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| 2nd ionization potential
| 3374.2 kJ/mol
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| 3rd ionization potential
| 6050.4 kJ/mol
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| 4th ionization potential
| 8407.7 kJ/mol
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| 5th ionization potential
| 11022.7 kJ/mol
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| 6th ionization potential
| 15164.1 kJ/mol
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| 7th ionization potential
| 17868 kJ/mol
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| 8th ionization potential
| 92038.1 kJ/mol
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| 9th ionization potential
| 106434.3 kJ/mol
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| Most stable isotopes
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| SI units & STP are used except where noted.
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