ᱪᱷᱟᱸᱪ:Infobox oxygen

ᱳᱠᱥᱤᱡᱟᱹᱱ,  ₈O

Liquid oxygen boiling
ᱳᱠᱥᱤᱡᱟᱹᱱ
Appearance	gas: colorless liquid and solid: pale blue
Standard atomic weight Ar, std(O)	[7001159990300000000♠15.99903, 7001159997700000000♠15.99977] conventional: 7001159990000000000♠15.999
Abundance
in the Earth's crust	461000 ppm
ᱳᱠᱥᱤᱡᱟᱹᱱ in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson – ↑ O ↓ S nitrogen ← ᱳᱠᱥᱤᱡᱟᱹᱱ → fluorine
Atomic number (Z)	8
Group	group n/a
Period	[[Period {{{period}}} element|period {{{period}}}]]
Block	[[{{{block}}}-block]]
Element category	Reactive nonmetal
Electron configuration	[He] 2s2 2p4
Electrons per shell	2, 6
Physical properties
Phase at STP	gas
Melting point	54.36 K ​(−218.79 °C, ​−361.82 °F)
Boiling point	90.188 K ​(−182.962 °C, ​−297.332 °F)
Density (at STP)	1.429 g/L
when liquid (at b.p.)	1.141 g/cm3
Triple point	54.361 K, ​0.1463 kPa
Critical point	154.581 K, 5.043 MPa
Heat of fusion	(O2) 0.444 kJ/mol
Heat of	(O2) 6.82 kJ/mol
Molar heat capacity	(O2) 29.378 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K)       61 73 90
Atomic properties
Oxidation states	−2, −1, +1, +2
Electronegativity	Pauling scale: 3.44
energies	1st: 1313.9 kJ/mol 2nd: 3388.3 kJ/mol 3rd: 5300.5 kJ/mol (more)
Covalent radius	66±2 pm
Van der Waals radius	152 pm
Spectral lines of ᱳᱠᱥᱤᱡᱟᱹᱱ
Other properties
Natural occurrence	primordial
Crystal structure	​cubic
Speed of sound	330 m/s (gas, at 27 °C)
Thermal conductivity	26.58×10−3  W/(m·K)
Magnetic ordering	paramagnetic
Magnetic susceptibility	6997344900000000000♠+3449.0×10−6 cm3/mol (293 K)
CAS Number	7782-44-7
History
Discovery	Michael Sendivogius Carl Wilhelm Scheele (1604, 1771)
Named by	Antoine Lavoisier (1777)
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct

PTOxygen

N ← i'box N	iso 8O  infobox  isobox	→ F i'box F
Commons  Wikidata:  Wiktionary Indexes in PT: § below · Page

[]  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
most stable isotope
Natural occurence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03) See also {{Infobox element/symbol-to--navbox}}

References

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