Oksíhenu
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General | |||||||||||||||||||||||||
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Lagyu, Symbulu, Numeru | oxygen, O, 8 | ||||||||||||||||||||||||
Chemical series | nonmetals, chalcogens | ||||||||||||||||||||||||
Lupung, Period, Bloki | 16, 2, p | ||||||||||||||||||||||||
Itsura | Liquid Oxygen | ||||||||||||||||||||||||
Standard atomic weight | 15.9994(3) g·mol−1 | ||||||||||||||||||||||||
Electron configuration | 1s2 2s2 2p4 | ||||||||||||||||||||||||
Electrons per shell | 2, 6 | ||||||||||||||||||||||||
Physical properties | |||||||||||||||||||||||||
Phase | gas | ||||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Heat capacity | (25 °C) (O2) 29.378 J·mol−1·K−1 | ||||||||||||||||||||||||
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Atomic properties | |||||||||||||||||||||||||
Crystal structure | cubic | ||||||||||||||||||||||||
Oxidation states | 2, 1, −1, −2 (neutral oxide) | ||||||||||||||||||||||||
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 | |||||||||||||||||||||||||
Atomic radius | 60 pm | ||||||||||||||||||||||||
Atomic radius (calc.) | 48 pm | ||||||||||||||||||||||||
Covalent radius | 73 pm | ||||||||||||||||||||||||
Van der Waals radius | 152 pm | ||||||||||||||||||||||||
Miscellaneous | |||||||||||||||||||||||||
Magnetic ordering | paramagnetic | ||||||||||||||||||||||||
Thermal conductivity | (300 K) 26.58x10-3 W·m−1·K−1 | ||||||||||||||||||||||||
Speed of sound | (gas, 27 °C) 330 m/s | ||||||||||||||||||||||||
CAS registry number | 7782-44-7 | ||||||||||||||||||||||||
Selected isotopes | |||||||||||||||||||||||||
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References | |||||||||||||||||||||||||
- Para keng aliwang gamit, lawen ye ing Oksíhenu (disambiguation).
Ing Oksíhenu metung yang elementu chemical a atin chemical symbol O at atomic number 8. Ing katayang oksíhenu menibat ya kareng aduang uyat a amanung Greek, οξύς (oxys) (acidu, kabalugan a matulid, matilus) at -γενής (-genēs) (makapalto, kabaldugan talakua).
Dalerayan
[mag-edit | alilan ya ing pikuwanan]- Nist atomic spectra database
- Nuclides and Isotopes Fourteenth Edition Archived Pebreru 2, 2011 at the Wayback Machine: Chart of the Nuclides, General Electric Company, 1989
- A. Szydlo, "Water which does not wet hands - The Alchemy of Michael Sendivogius", Warsaw Institute for the History of Sciences, Polish Academy of Sciences, 1994.
Ding suglung palual
[mag-edit | alilan ya ing pikuwanan]- Template:McGrawHillAnimation
- Priestley Society, Dedicated to Joseph Priestley the man who discovered oxygen
- Los Alamos National Laboratory – Oxygen Archived Oktubri 26, 2007 at the Wayback Machine
- WebElements.com – Oxygen
- Molecular Oxygen Site Archived Mayu 15, 2007 at the Wayback Machine
- It's Elemental – Oxygen
- Oxygen (O2) Properties, Uses, Applications
- Computational Chemistry Wiki
- Oxidizing Agents > Oxygen
- Recent Roald Hoffman article on "The Story of O" Archived Pebreru 23, 2017 at the Wayback Machine
E numbers |
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Colors (E100–199) • Preservatives (E200–299) • Antioxidants & Acidity regulators (E300–399) • Thickeners, stabilisers & emulsifiers (E400–499) • pH regulators & anti-caking agents (E500–599) • Flavour enhancers (E600–699) • Miscellaneous (E900–999) • Additional chemicals (E1100–1599) Waxes (E900–909) • Synthetic glazes (E910–919) • Improving agents (E920–929) • Packaging gases (E930–949) • Sweeteners (E950–969) • Foaming agents (E990–999) Calcium peroxide (E930) • Argon (E938) • Helium (E939) • Dichlorodifluoromethane (E940) • Nitrogen (E941) • Nitrous oxide (E942) • Butane (E943a) • Isobutane (E943b) • Propane (E944) • Oxygen (E948) • Hydrogen (E949) |