"Sng-sò͘" pán-pún chi-kan bô-kāng--ê tē-hng
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無編輯摘要 |
無編輯摘要 |
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Tē 1 chōa:
{{su-iàu hoan-e̍k}}
{{infobox element
|name=Sng-sò͘
|enname=oxygen
|number=8
|symbol=O
|left=[[nitrogen]]
|right=[[fluorine]]
|above=–
|below=[[sulfur|S]]
|series=siang-goân-chú hui-kim-sio̍k
|group=16
|period=2
|block=p
|series color=
|appearance=gas: colorless<br>liquid: pale blue
|image name=O,8.jpg
|image alt=
|image size=170
|image name comment= [[Liquid oxygen]], boiling (oxygen is liquid below ca. −183 °C (−297 °F), at {{abbr|1 atm|atmospheric pressure,101.325 kPa}})
|image name 2=Oxygen spectre.jpg
|image name 2 comment=Spectral lines of oxygen
|atomic mass=15.999
|atomic mass ref=<ref name="CIAAW">[http://www.ciaaw.org/pubs/TSAW2013_xls.xls Conventional Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]</ref>
|atomic mass 2=
|atomic mass comment=(15.99903–15.99977)<ref name="IUPAC">[http://www.ciaaw.org/atomic-weights.htm Standard Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]</ref>
|electron configuration=[[[Helium|He]]] 2s<sup>2</sup> 2p<sup>4</sup>
|electrons per shell=2, 6
|color=
|phase=gas
|phase comment=
|density gplstp=1.429
|density gpcm3nrt 2=
|density gpcm3mp=
|density gpcm3bp=1.141
|melting point K=54.36
|melting point C=−218.79
|melting point F=−361.82
|boiling point K=90.188
|boiling point C=−182.962
|boiling point F=−297.332
|triple point K=54.361
|triple point kPa=0.1463
|critical point K=154.581
|critical point MPa=5.043
|heat fusion=(O<sub>2</sub>) 0.444
|heat fusion 2=
|heat vaporization=(O<sub>2</sub>) 6.82
|heat capacity=(O<sub>2</sub>) 29.378
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k=61
|vapor pressure 10 k=73
|vapor pressure 100 k=90
|vapor pressure comment=
|crystal structure=cubic
|oxidation states=[[Oxygen difluoride|2]], [[Dioxygen difluoride|1]], [[peroxide|−1]], '''−2'''
|oxidation states comment=
|electronegativity=3.44
|number of ionization energies=4
|ionization energy 1=1313.9
|ionization energy 2=3388.3
|ionization energy 3=5300.5
|atomic radius=
|atomic radius calculated=
|covalent radius=66±2
|Van der Waals radius=152
|magnetic ordering=[[paramagnetism|paramagnetic]]
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=26.58×10<sup>−3</sup>
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=330
|speed of sound comment=(gas, at 27 °C)
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=7782-44-7
|isotopes=
{{Infobox element/isotopes stable | link=oxygen-16 | mn=16 | sym=O | na=99.76% | n=8 |firstlinks=yes}}
{{Infobox element/isotopes stable | link=oxygen-17 | mn=17 | sym=O | na=0.039% | n=9 |firstlinks=no}}
{{Infobox element/isotopes stable | link=oxygen-18 | mn=18 | sym=O | na=0.201% | n=10 |firstlinks=no}}
|isotopes comment=
|predicted by=
|prediction date=
|discovered by=[[Carl Wilhelm Scheele]]
|discovery date=1772
|first isolation by=
|first isolation date=
|named by=[[Antoine Lavoisier]]
|named date=1777
|history comment label=
|history comment=
}}
'''O''', '''sàng-so͘h''' ia̍h '''sng-sò͘''' (酸素) sī 1 chióng [[hoà-ha̍k goân-sò͘]], tī [[chiu-kî-pió]] ê [[goân-chú-hoan]] sī 8. O sī [[Tē-kiû]] tē 2 phó͘-phiàn ê goân-sò͘, chiàm tē-khak [[chit-liōng]] 49%, chiàm Tē-kiû chit-liōng 28%. Tī [[ú-tiū]], O sī tē 3 phó͘-phiàn ê goân-sò͘.
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