Oksigèn

Oksigen, ₀₀O

Liquid oxygen (O2 at below −183 °C)
Oksigen
Allotropes	O2, O3 (ozone) and more (see Allotropes of oxygen)
Appearance	gas: tak berwarna cairan dan padatan: biru pucat
Standard atomic weight Ar°(O)
	Cèṭa'an:Infobox element/standard atomic weight format
Mass number	O:
Abundance
in the Earth's crust	461.000 ppm
Oksigen 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 ← oksigen → fluorin
Group	group 16 (chalcogens)
Period	period 2
Block	data-sort-value="2008" |#fdff8c
Electron configuration	[He] 2s2 2p4
Electrons per shell	2, 6
Physical properties
Phase at STP	gas
Melting point	(O2) 54,36 K ​(−218,79 °C, ​−361,82 °F)
Boiling point	(O2) 90,20 K ​(−182,95 °C, ​−297,31 °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 vaporization	(O2) 6,82 kJ/mol
Molar heat capacity	(O2) 29,378 J/(mol·K)
Vapor pressure
Atomic properties
Oxidation states	common: −2 −1, 0, +1, +2
Electronegativity	Pauling scale: 3,44
Ionization 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
Color lines in a spectral range Spectral lines of oksigen
Other properties
Natural occurrence	O: Primordial-wl>Primordial
Crystal structure	​Cèṭa'an:Infobox element/crystal structure Cèṭa'an:Infobox element/crystal structure
Thermal conductivity	26,58Cèṭa'an:E W/(m⋅K)
Magnetic ordering	paramagnetik
Molar magnetic susceptibility	+3449.0×10−6 cm3/mol (293 K)
Speed of sound	330 m/s (gas, suhu 27 °C)
CAS Number	7782-44-7
History
Discovery	C. Scheele (1771)
Named by	A. Lavoisier (1777)
Isotopes of oksigen

Oksigèn (Latin: oxygenium; Ènggris: oxygen) iyâ rèya sabuwâ arkan kimiya; sè anḍi' lambhâng O bân nomor atom 8. Iyâ rèya arobâaghi angghutana ghlumpo' kalkogen ḍâlem tabèl pèriodik, sabuwâ bhârâng nonlogam sè cè' reaktif-na, bân teddhi sabuwâ agèn pangghâbây oksidasi sè pènḍhânan kowat kaangghuy ghâmpang mabujut oksida ḍâlem kabânnya'an arkan otabâna senyawa. Oksigèn arobâaghi arkan sè palèng lebbhâ' è ḍâlem kerak Bhumè, sè teddhi panorson ḍâ' para' satengnga ḍâri kerak Bhumè ḍâlem bujut oksida sè aprennègghân akanṭana aèng, karbon dioksida, oksida bessè, bân silikat. bân palèng bânnya' sè kapèng tello' è saalam jhâghât marèna hidrogèn bân hèlium.