Roentgenium

**Roentgenium, ₁₁₁Rg**
基本性質
名，符號	roentgenium，Rg
外型	silvery (predicted)
Roentgenium 佇週期表內的位置
	darmstadtium ← roentgenium → copernicium
原子番	111
原子量	[282 ]
元素類別	未定; but probably atransition metal
族，分區	11 族, d 區
週期	地 7 週期
電子排列	[Rn] 5f14 6d9 7s2 (predicted)
per shell	2， 8， 18， 32， 32， 17， 2 (predicted)
物理性質
相	solid (predicted)
密度 (室溫)	28.7 g͘cm−3 (predicted)
原子性質
孫華素	5，3， 1， −1 (predicted)
電離能	1st: 1022.7 kJ͘mol−1 ; 2nd: 2074.4 kJ͘mol−1 ; 3rd: 3077.9 kJ͘mol−1 ; (more) (all estimated)
原子半徑	empirical: 138 pm (predicted)
共價半徑	121 pm (estimated)
十六
晶thé構造	body-centered cubic (bcc) ; (predicted)
CAS登記編號	54386-24-2
歷史
號名	after Wilhelm Röntgen
發現	Gesellschaft für Schwerionenforschung (1994)
最穩定的同位素
	主文章: roentgenium 的同位素

Roentgenium是 (sī)1个 (ê)化學 (hoà-ha̍k)元素 (goân-sò͘)。伊 (I)的 (ê)原子番 (goân-chú-hoan)是111，化學符號 (hû-hō)是Rg。

"Roentgenium" 是用 (ēng)Wilhelm Conrad Röntgen的名字 (miâ-jī)起的 (khí--ê)。

參考 (Chham-khó)[修改]

↑ ^1.0 ^1.1 Turler， A. (2004). "Gas Phase Chemistry of Superheavy Elements" (PDF). Journal of Nuclear and Radiochemical Sciences. 5 (2): R19–R25.
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 Hoffman, Darleane C。; Lee, Diana M。; Pershina, Valeria (2006). "Transactinides and the future elements". Chū Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd pán.). Dordrecht， The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.
↑ ^3.0 ^3.1 Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
↑ ^4.0 ^4.1 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. 4 October 2013 khòaⁿ--ê.
↑ Chemical Data。Roentgenium - Rg， Royal Chemical Society
↑ Khuyagbaatar, J.; Yakushev, A.; Düllmann, Ch。 E.; et al. (2014). "⁴⁸Ca+²⁴⁹Bk Fusion Reaction Leading to Element Z=117: 龍Lived α-Decaying ²⁷⁰Db and Discovery of ²⁶⁶Lr". Physical Review Letters. 112 (17): 172501. doi:10.1103/PhysRevLett.112.172501.
↑ Oganessian, Yuri Ts。; Abdullin, F。 Sh。; Alexander, C。; et al. (2013-05-30). "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. American Physical Society. 87 (054621). Bibcode:2013PhRvC..87e4621O. doi:10.1103/PhysRevC.87.054621.
↑ 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.

Pún 文章 sī chi̍t phiⁿ phí-á-kiáⁿ. Lí thang tàu khok-chhiong lâi pang-chō͘ Wikipedia.

[e-conf-1] 1.0 ^1.1 Turler， A. (2004). "Gas Phase Chemistry of Superheavy Elements" (PDF). Journal of Nuclear and Radiochemical Sciences. 5 (2): R19–R25.

[Haire-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 Hoffman, Darleane C。; Lee, Diana M。; Pershina, Valeria (2006). "Transactinides and the future elements". Chū Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd pán.). Dordrecht， The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.

[bcc-3] 3.0 ^3.1 Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.

[BFricke-4] 4.0 ^4.1 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. 4 October 2013 khòaⁿ--ê.

[rsc-5] Chemical Data。Roentgenium - Rg， Royal Chemical Society

[6] Khuyagbaatar, J.; Yakushev, A.; Düllmann, Ch。 E.; et al. (2014). "⁴⁸Ca+²⁴⁹Bk Fusion Reaction Leading to Element Z=117: 龍Lived α-Decaying ²⁷⁰Db and Discovery of ²⁶⁶Lr". Physical Review Letters. 112 (17): 172501. doi:10.1103/PhysRevLett.112.172501.

[2012e117-7] Oganessian, Yuri Ts。; Abdullin, F。 Sh。; Alexander, C。; et al. (2013-05-30). "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. American Physical Society. 87 (054621). Bibcode:2013PhRvC..87e4621O. doi:10.1103/PhysRevC.87.054621.

[Mt-8] 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.

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Roentgenium

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