Oxygen Element Properties

Oxygen

p7
N
Nitrogen
p8
O
Oxygen
p9
F
Fluorine
General
Name(Oxygen)
Symbol(O)
Number(8)
Group Number(16)
Group(Non-Metal, Chalcogen)
Block(p)
Density(0.001429 g/cm3)
Atomic Weight(15.9994 g/mol)
Atomic Volume(14.0 cm3/mol)
Discover(1774)


States
State(Gas)
Melting Point(54.36 K)
Boiling Point(90.20 K)
Triple Point(Nil)
Critical Point(154.59 K)
Heat of Fusion(0.444 kJ/mol)
Heat of Vaporization(6.82 kJ/mol)


Energies
First Ionization Energy(1313.9 kJ/mole)
Second Ionization Energy(3388.2 kJ/mole)
Third Ionization Energy(5300.3 kJ/mole)
Electronegativity(3.44)
Electron Affinity(140.97875 kJ/mole)
Specific Heat(0.92 J/gK)
Heat Atomization(249 kJ/mole atoms)


Oxidation and Electrons
Shells(2,6)
Electron Configuration(1s2 2s2 2p4)
Minimum Oxidation Number(-2)
Maximum Oxidation Number(2)
Minimum Common Oxidation Number(-2)
Maximum Common Oxidation Number(0)


Appearance and Characteristics
Crystal Structure(cubic)
Characteristics(diatomic,2 forms: O2, O3)
Color(colorless)
Uses(rocket fuel, steel mfr.)
Hardness(mohs)
Toxicity(No)


Reactions
Reaction with Air(None)
Reaction with 6M HCl(None)
Reaction with 15M HNO3(None)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(3)
Hydride(H2O)
Oxide(O2 O3)
Chloride(Cl2O ClO2 Cl2O7)


Radius
Atomic Radius(73 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(126 pm)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(0.03 J/m-sec-deg)
Electrical Conductivity(0 1/mohm-cm)
Polarizability(0.793 A3)


Abundance
Source(Air)
Relation Abundance Solar System(7.377 log)
Abundance Earths Crust(5.7 log)


p7
N
Nitrogen
p8
O
Oxygen
p9
F
Fluorine

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