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Oganesson, 118Og|
Pronunciation | |
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Appearance | metallic (predicted) |
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Mass number | [294] |
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Atomic number (Z) | 118 |
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Group | group 18 (noble gases) |
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Period | period 7 |
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Block | p-block |
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Electron configuration | [Rn] 5f14 6d10 7s2 7p6 (predicted)[3][4] |
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Electrons per shell | 2, 8, 18, 32, 32, 18, 8 (predicted) |
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Phase at STP | solid (predicted)[5] |
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Melting point | 325 ± 15 K (52 ± 15 °C, 125 ± 27 °F) (predicted)[5] |
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Boiling point | 450 ± 10 K (177 ± 10 °C, 350 ± 18 °F) (predicted)[5] |
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Density (near r.t.) | 7.2 g/cm3 (solid, 319 K, calculated)[5] |
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when liquid (at m.p.) | 6.6 g/cm3 (liquid, 327 K, calculated)[5] |
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Oxidation states | common: (none)
(−1),[4] (+1),[6] (+2),[7] (+4),[7] (+6)[4] |
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Ionization energies | - 1st: 860 kJ/mol (calculated)[8]
- 2nd: 1560 kJ/mol (calculated)[8]
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Atomic radius | empirical: 152 pm (predicted)[9] |
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Covalent radius | 157 pm (predicted)[10] |
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Natural occurrence | synthetic |
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Crystal structure | face-centered cubic (fcc) (extrapolated)[11] |
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CAS Number | 54144-19-3 |
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Naming | after Yuri Oganessian |
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Prediction | Hans Peter Jørgen Julius Thomsen (1895) |
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Discovery | Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002) |
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File:Symbol category class.svg Category: Oganesson | references |
child table, as reused in {IB-Og} |
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References
These references will appear in the article, but this list appears only on this page.
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 4.0 4.1 4.2 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 5.0 5.1 5.2 5.3 5.4 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 7.0 7.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 8.0 8.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Oganesson, American Elements
- ↑ Oganesson - Element information, properties and uses, Royal Chemical Society
- ↑ Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 12.0 12.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 13.0 13.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
- ↑ Jump up to: 14.0 14.1 Lua error in Module:Citation/CS1/Configuration at line 2088: attempt to index field '?' (a nil value).
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