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Spanish: OxígenoSwedish:
Syre
Atomic Structure of Oxygen
Atomic Radius: 0.65Å
Atomic Volume: 14cm3/mol
Covalent Radius: 0.73Å
Cross Section (Thermal Neutron Capture) 
a/barns: 0.00019
Crystal Structure: Cubic
Electron Configuration:1s2
2s2p4
Electrons per Energy Level: 2,6
Shell Model
Ionic Radius: 1.4Å
Filling Orbital: 2p4
Number of Electrons (with no charge): 8
Number of Neutrons (most common/stable nuclide): 8
Number of Protons: 8
Oxidation States: -2,-1
Valence Electrons: 2s2p4
Electron Dot Model
Chemical Properties of Oxygen
Electrochemical Equivalent: 0.29847g/amp-hr
Electron Work Function:
Electronegativity: 3.44 (Pauling); 3.5 (Allrod Rochow)
Heat of Fusion: 0.22259kJ/mol
Incompatibilities:oxidizable materials
Ionization PotentialFirst: 13.618Second: 35.117Third: 54.934
Valence Electron Potential (-eV): -20.6
Physical Properties of Oxygen
Atomic Mass Average: 15.9994
Boiling Point: 90.33K -182.82°C -297.08°F
Coefficient of lineal thermal expansion/K-1: N/A
ConductivityElectrical: Thermal: 0.0002674 W/cmK
Density: 1.429g/L @ 273K & 1atm
Description: Colorless, odorless, tasteless gas
Enthalpy of Atomization: 249.4 kJ/mole @ 25°C
Enthalpy of Fusion: 0.22 kJ/mole
Enthalpy of Vaporization: 3.41 kJ/mole
Flammablity Class: Non-flammable gas (Oxidizer)
Freezing Point: see melting point
Heat of Vaporization: 3.4099kJ/mol
Melting Point: 50.5K -222.65°C -368.77°F
Molar Volume: 14 cm3/mole
Optical Refractive Index: 1.000271 (gas) 1.221 (liquid)
Physical State (at 20°C & 1atm): Gas
Specific Heat: 0.92J/gK
Regulatory / Health
CAS Number
7782-44-7
NFPA 704Health: Fire: Reactivity: Special Hazard: Oxidizer
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Oxygen Menu
Oxygen Page One
Overview of Oxygen
Oxygen's Name in Other Languages
Atomic Structure of Oxygen
Chemical Properties of Oxygen
Physical Properties of Oxygen
Regulatory / Health
Who/When/Where/How
Oxygen Page Two
Nuclides / Isotopes
Potential Parent Nuclides
Oxygen Page Three
Common Chemical Compounds of Oxygen
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