Ọ́ksíjìn

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Lọ sí: atọ́ka, àwárí
Ọ́ksíjìn
8O
-

O

S
nítrójìnọ́ksíjìnfluorínì
Ìhànsójú
colorless gas; pale blue liquid. Oxygen bubbles rise in this photo of liquid oxygen.
A glass bottle half-filled with a bluish bubbling liquid

Spectral lines of oxygen
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà ọ́ksíjìn, O, 8
Ìpèlóhùn /ˈɒksɪən/ OK-si-jən
Ẹ̀ka ẹ́límẹ̀nti aláìjẹ́-mẹ́tàlì, chalcogen
Ẹgbẹ́, àsìkò, àdìpò 162, p
Ìwúwo átọ́mù 15.999(1)
Ìtòléra ẹ̀lẹ́ktrónì [He] 2s2 2p4
2, 6
Electron shells of oxygen (2, 6)
Ìtàn
Ìwárí Carl Wilhelm Scheele (1772)
Named by Antoine Lavoisier (1777)
Physical properties
Phase gas
Density (0 °C, 101.325 kPa)
1.429 g/L
Liquid density at b.p. 1.141 g·cm−3
Melting point 54.36 K, -218.79 °C, -361.82 °F
Boiling point 90.20 K, -182.95 °C, -297.31 °F
Critical point 154.59 K, 5.043 MPa
Heat of fusion (O2) 0.444 kJ·mol−1
Heat of vaporization (O2) 6.82 kJ·mol−1
Molar heat capacity (O2)
29.378 J·mol−1·K−1
Vapor 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 3.44 (Pauling scale)
Ionization energies
(more)
1st: 1313.9 kJ·mol−1
2nd: 3388.3 kJ·mol−1
3rd: 5300.5 kJ·mol−1
Covalent radius 66±2 pm
Van der Waals radius 152 pm
Miscellanea
Crystal structure cubic
Ọ́ksíjìn has a cubic crystal structure
Magnetic ordering paramagnetic
Thermal conductivity 26.58x10-3  W·m−1·K−1
Speed of sound (gas, 27 °C) 330 m·s−1
CAS registry number 7782-44-7
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù ọ́ksíjìn
iso NA half-life DM DE (MeV) DP
16O 99.76% 16O is stable with 8 neutrons
17O 0.039% 17O is stable with 9 neutrons
18O 0.201% 18O is stable with 10 neutrons
· r

Ọ́ksíjìn (play /ˈɒksɪɪn/ OK-si-jin) je elimenti kemika to ni nomba atomu 8 ati ti ami-idamo re je O. Oruko re wa lati gbongbo oro ede Griiki ὀξύς (oksis) (ikan, to je "shamu shamu", tountoka si ikan lenu awon ikan) ati -γενής (-jenis) (olupese, olumuwa), nitoripe nigba isoloruko re won ro pe gbogbo ikan gbodo ni oksijin ninu.

Ni igbonasi ati itemo opagun, atomu meji apilese na undipo lati da oksijinmeji kan (dioxygen), efuufu oniatomumeji alailawo, alailoorun, alainitowo to ni afida O2.

Oksijin je ikan ninu adipo kalkojin lori tabili alakoko, be sini o je apilese alaiseonide highly adarapo gidigidi to unda that readily forms adapo kiakia (agaga awon oloksijin) pelu gbogbo awon apilese yioku. Gegebi isupo re, oksijin ni apilese jantirerejulo keta ni agbalaye leyin haidrojin ati heliom[1] ati apilese tojantirere julo gegebi isupo ninu Earth's crust, o je bi idaji isupo crust.[2] Oksijin adawa je adarapo ni kemika julo lati han ni Aye laisi igbese afimoledapo awon iseelemin alaaye, ti won unlo okun imole orun lati se oksijin alapilese lati inu omi. O2 alapilese sese bere si pejo ninu afefeojuorun leyin ihanjade iyiarada awon iseelemin wonyi, ni bi odun 2.5 billion seyin.[3] Efuufu oksijin oniatomumeji lo je 20.8% itobiaye afefe.[4]

Nitori pe ohun ni opo isupo omi, oksijin na tun ni opo isupo awon iseelemin alaaye (fun apere, bi meji ninu idameta isupo ara omo eniyan). Gbogbo akosoto ninla awon igbonwo onilepo ninu awon iseelemin alaaye, bi proteins, karboniolomi, ati ora, ni oksijin ninu, bo se je bakanna fun awon adapo alailemin ninla ti won je ike, eyin ati egun awon eranko. Oksijin alapilese unje sise latowo cyanobacteria, algae ati awon ogbin, o si unje lilo ninu imin alahamo fun gbogbo emin tosoro. Oksijin se ipalara si awon iseelemin alailoafefe dandanundandan, ti won je iruida emin atetekose to gbale ni Aye ko to o dipe O2 bere sini pejo ninu afefeojuorun. Iruida miran (allotrope) oksijin, osoni (O3), seranlowo lati da abo bo igbeojuorun lowo (biosphere) iranka onipupagan pelu ipele osoni ojuibiloke giga, sugbon o je idoti nitosi ojuode nibi ti o ti je eso abe smog. At even higher low earth orbit altitudes atomic oxygen is a significant presence and a cause of erosion for spacecraft.[5]


Ìhùwà[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

Ìdìmú[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

ìgbọ́násí àti ìfúnpá ọ̀págún, ọ́ksíjìn jẹ́ ẹ̀fúùfù aláìláwọ̀, aláìlóòórùn pẹ̀lú àfidá oníhóró O2, níbi tí àwọn átọ́mù ọ́ksíjìn méjéjì jẹ́ dídìpọ̀ lólóògùn mọ́ ara wọn pẹ̀lú ìtòpọ̀ ẹlẹ́ktrónì oníbẹta ayípo. Ìdìpọ̀ yìí ní ìtòrò ìdìpọ̀ méjì, bẹ́sìni ìjúwe rẹ̀ ṣe é pè bíi ìdìpọ̀ ẹ̀mejì[6] tàbí bíi ìsopọ̀ ìdìpọ̀ ẹlẹ́ktrónì ìkan-méjì àti two ìdìpọ̀ ẹlẹ́ktrónì méjì-mẹ́ta.[7]

Ọ́ksíjìn ìbẹta (ó yàtọ́ sí òsónì, O3) ni ipò oríilẹ̀ hóró O2.[8] Ìtòpọ̀ ẹlẹ́ktrónì hóró rẹ̀ ní ẹlẹ́ktrónì méjì alánìníkejì tí wọ́n jókòó ona-àyípo oníhóró adíbàjẹ́ méjì.[9]



Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Emsley 2001, p.297
  2. Cite error: Invalid <ref> tag; no text was provided for refs named lanl
  3. Àdàkọ:Cite press release
  4. Cite error: Invalid <ref> tag; no text was provided for refs named ECE500
  5. "Atomic oxygen erosion". Archived from the original on June 13, 2007. http://web.archive.org/web/20070613121048/http://www.spenvis.oma.be/spenvis/help/background/atmosphere/erosion.html. Retrieved 2009-08-08. 
  6. "Molecular Orbital Theory". Purdue University. Archived from the original on May 10, 2008. http://web.archive.org/web/20080510235736/http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch8/mo.html#bond. Retrieved 2008-01-28. 
  7. Pauling, L. (1960). The nature of the chemical bond and the structure of molecules and crystals : an introduction to modern structural chemistry (3rd ed.). Ithaca, N.Y.: Cornell University Press. ISBN 0801403332. 
  8. Jakubowski, Henry. "Biochemistry Online". Saint John's University. http://employees.csbsju.edu/hjakubowski/classes/ch331/bcintro/default.html. Retrieved 2008-01-28. 
  9. An orbital is a concept from quantum mechanics that models an electron as a wave-like particle that has a spacial distribution about an atom or molecule.