Template:Infobox tennessine
Tennessine | |||||||||||||||||||||
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Pronunciation | /ˈtɛnəsiːn/[1] | ||||||||||||||||||||
Appearance | semimetallic (predicted)[2] | ||||||||||||||||||||
Mass number | [294] | ||||||||||||||||||||
Tennessine in the periodic table | |||||||||||||||||||||
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Group | group 17 (halogens) | ||||||||||||||||||||
Period | period 7 | ||||||||||||||||||||
Block | p-block | ||||||||||||||||||||
Electron configuration | [Rn] 5f14 6d10 7s2 7p5 (predicted)[3] (predicted) | ||||||||||||||||||||
Electrons per shell | 2, 8, 18, 32, 32, 18, 7 (predicted) | ||||||||||||||||||||
Physical properties | |||||||||||||||||||||
Phase at STP | solid (predicted)[3][4] | ||||||||||||||||||||
Melting point | 623–823 K (350–550 °C, 662–1022 °F) (predicted)[3] | ||||||||||||||||||||
Boiling point | 883 K (610 °C, 1130 °F) (predicted)[3] | ||||||||||||||||||||
Density (near r.t.) | 7.1–7.3 g/cm3 (extrapolated)[4] | ||||||||||||||||||||
Atomic properties | |||||||||||||||||||||
Oxidation states | (−1), (+1), (+3), (+5) (predicted)[5][3] | ||||||||||||||||||||
Ionization energies | |||||||||||||||||||||
Atomic radius | empirical: 138 pm (predicted)[4] | ||||||||||||||||||||
Covalent radius | 156–157 pm (extrapolated)[4] | ||||||||||||||||||||
Other properties | |||||||||||||||||||||
Natural occurrence | synthetic | ||||||||||||||||||||
CAS Number | 54101-14-3 | ||||||||||||||||||||
History | |||||||||||||||||||||
Naming | after Tennessee region | ||||||||||||||||||||
Discovery | Joint Institute for Nuclear Research, Lawrence Livermore National Laboratory, Vanderbilt University and Oak Ridge National Laboratory (2009) | ||||||||||||||||||||
Isotopes of tennessine | |||||||||||||||||||||
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- ↑ Ritter, Malcolm (June 9, 2016). "Periodic table elements named for Moscow, Japan, Tennessee". Associated Press. Retrieved December 19, 2017.
- ↑ Fricke, B. (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.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 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.
- ↑ 4.0 4.1 4.2 4.3 Bonchev, D.; Kamenska, V. (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. 85 (9): 1177–1186. doi:10.1021/j150609a021.
- ↑ Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Retrieved 4 October 2013.
- ↑ 6.0 6.1 6.2 Chang, Zhiwei; Li, Jiguang; Dong, Chenzhong (2010). "Ionization Potentials, Electron Affinities, Resonance Excitation Energies, Oscillator Strengths, And Ionic Radii of Element Uus (Z = 117) and Astatine". J. Phys. Chem. A. 2010 (114): 13388–94. Bibcode:2010JPCA..11413388C. doi:10.1021/jp107411s.
- ↑ 7.0 7.1 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
- ↑ 8.0 8.1 Khuyagbaatar, J.; Yakushev, A.; Düllmann, Ch. E.; et al. (2014). "48Ca+249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr". Physical Review Letters. 112 (17): 172501. Bibcode:2014PhRvL.112q2501K. doi:10.1103/PhysRevLett.112.172501. PMID 24836239.
- ↑ 9.0 9.1 Oganessian, Yu. Ts.; et al. (2013). "Experimental studies of the 249Bk + 48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt". Physical Review C. 87 (5): 054621. Bibcode:2013PhRvC..87e4621O. doi:10.1103/PhysRevC.87.054621.
- ↑
Royal Society of Chemistry (2016). "Tennessine". rsc.org. Royal Society of Chemistry. Retrieved 9 November 2016.
A highly radioactive metal, of which only a few atoms have ever been made.
- ↑
GSI (14 December 2015). "Research Program – Highlights". superheavies.de. GSI. Retrieved 9 November 2016.
If this trend were followed, element 117 would likely be a rather volatile metal. Fully relativistic calculations agree with this expectation, however, they are in need of experimental confirmation.