ᱪᱷᱟᱸᱪ:Infobox ununennium
| Ununennium | |||||||||||||||||||||
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| Pronunciation | /ˌuːn.uːnˈɛniəm/ | ||||||||||||||||||||
| Alternative names | element 119, eka-francium | ||||||||||||||||||||
| Ununennium in the periodic table | |||||||||||||||||||||
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| Atomic number (Z) | 119 | ||||||||||||||||||||
| Group | group 1: H and alkali metals | ||||||||||||||||||||
| Period | period 8 | ||||||||||||||||||||
| Block | s-block | ||||||||||||||||||||
| Element category | Unknown chemical properties, but predicted to be an alkali metal | ||||||||||||||||||||
| Electron configuration | [Og] 8s1 (predicted)[᱑] | ||||||||||||||||||||
Electrons per shell | 2, 8, 18, 32, 32, 18, 8, 1 (predicted) | ||||||||||||||||||||
| Physical properties | |||||||||||||||||||||
| Phase at STP | unknown (could be solid or liquid)[᱑] | ||||||||||||||||||||
| Melting point | 273–303 K (0–30 °C, 32–86 °F) (predicted)[᱑] | ||||||||||||||||||||
| Boiling point | 903 K (630 °C, 1166 °F) (predicted)[᱒] | ||||||||||||||||||||
| Density (near r.t.) | 3 g/cm3 (predicted)[᱑] | ||||||||||||||||||||
| Heat of fusion | 2.01–2.05 kJ/mol (extrapolated)[᱓] | ||||||||||||||||||||
| Atomic properties | |||||||||||||||||||||
| Oxidation states | (+1), (+3) (predicted)[᱑] | ||||||||||||||||||||
| Electronegativity | Pauling scale: 0.86 (predicted)[᱔] | ||||||||||||||||||||
| energies |
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| Atomic radius | empirical: 240 pm (predicted)[᱑] | ||||||||||||||||||||
| Covalent radius | 263–281 pm (extrapolated)[᱓] | ||||||||||||||||||||
| Other properties | |||||||||||||||||||||
| Crystal structure | (bcc) (extrapolated)[᱖] | ||||||||||||||||||||
| CAS Number | 54846-86-5 | ||||||||||||||||||||
| History | |||||||||||||||||||||
| Naming | IUPAC systematic element name | ||||||||||||||||||||
| Main isotopes of ununennium | |||||||||||||||||||||
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| [] Data sets read by {{Infobox element}} | |
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| Name and identifiers | |
| Top image (caption, alt) | |
| Pronunciation | |
| Category (enwiki) | |
| Standard atomic weight | |
| most stable isotope | |
| Natural occurence | |
| Phase at STP | |
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| Spectral lines image | |
| Electron configuration (cmt, ref) | |
| Term symbol * (cmt, ref) | |
| Wikidata * | |
| * Not used in {{Infobox element}} (2019-02-03) See also {{Infobox element/symbol-to--navbox}} | |
References
- ↑ ᱑.᱐ ᱑.᱑ ᱑.᱒ ᱑.᱓ ᱑.᱔ ᱑.᱕ ᱑.᱖ ᱑.᱗ Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5.
- ↑ ᱒.᱐ ᱒.᱑ Fricke, B.; Waber, J. T. (1971). "Theoretical Predictions of the Chemistry of Superheavy Elements" (PDF). Actinides Reviews. 1: 433–485. Retrieved 7 August 2013.
- ↑ ᱓.᱐ ᱓.᱑ Bonchev, Danail; Kamenska, Verginia (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. American Chemical Society. 85 (9): 1177–1186. doi:10.1021/j150609a021.
- ↑ Pershina, V.; Borschevsky, A.; Anton, J. (20 February 2012). "Fully relativistic study of intermetallic dimers of group-1 elements K through element 119 and prediction of their adsorption on noble metal surfaces". Chemical Physics. Elsevier. 395: 87–94. Bibcode:2012CP....395...87P. doi:10.1016/j.chemphys.2011.04.017. This article gives the Mulliken electronegativity as 2.862, which has been converted to the Pauling scale via χP = 1.35χM1/2 − 1.37.
- ↑ Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.
- ↑ Seaborg, Glenn T. (1969). "Prospects for further considerable extension of the periodic table" (PDF). Journal of Chemical Education. 46 (10): 626–634. Bibcode:1969JChEd..46..626S. doi:10.1021/ed046p626. Retrieved 22 February 2018.
- ↑ ᱗.᱐ ᱗.᱑ Hofmann, Sigurd (2013). Overview and Perspectives of SHE Research at GSI SHIP. p. 23–32. doi:10.1007/978-3-319-00047-3.
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