Unbinilium

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Unbinilium,  120Ubn
Sifat umum
Nama, simbolunbinilium, Ubn
Pengucapan/ˌnbˈnɪliəm/ (oon--by-NIL-ee-əm)
Nama alternatifunsur 120, eka-radium
Unbinilium di tabel periodik
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Litium (alkali metal)
Berilium (alkaline earth metal)
Boron (metalloid)
Karbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oksigen (diatomic nonmetal)
Fluor (diatomic nonmetal)
Neon (noble gas)
Natrium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silikon (metalloid)
Fosfor (polyatomic nonmetal)
Belerang (polyatomic nonmetal)
Klor (diatomic nonmetal)
Argon (noble gas)
Kalium (alkali metal)
Kalsium (alkaline earth metal)
Skandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Kromium (transition metal)
Mangan (transition metal)
Besi (transition metal)
Kobalt (transition metal)
Nikel (transition metal)
Tembaga (transition metal)
Seng (transition metal)
Galium (post-transition metal)
Germanium (metalloid)
Arsenik (metalloid)
Selenium (polyatomic nonmetal)
Bromin (diatomic nonmetal)
Kripton (noble gas)
Rubidium (alkali metal)
Stronsium (alkaline earth metal)
Itrium (transition metal)
Zirkonium (transition metal)
Niobium (transition metal)
Molibdenum (transition metal)
Teknesium (transition metal)
Rutenium (transition metal)
Rodium (transition metal)
Paladium (transition metal)
Perak (transition metal)
Kadmium (transition metal)
Indium (post-transition metal)
Timah (post-transition metal)
Antimon (metalloid)
Telurium (metalloid)
Yodium (diatomic nonmetal)
Xenon (noble gas)
Sesium (alkali metal)
Barium (alkaline earth metal)
Lantanum (lanthanide)
Serium (lanthanide)
Praseodimium (lanthanide)
Neodimium (lanthanide)
Prometium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Disprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Tulium (lanthanide)
Iterbium (lanthanide)
Lutesium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Renium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Emas (transition metal)
Raksa (transition metal)
Talium (post-transition metal)
Timbal (post-transition metal)
Bismut (post-transition metal)
Polonium (post-transition metal)
Astatin (metalloid)
Radon (noble gas)
Fransium (alkali metal)
Radium (alkaline earth metal)
Aktinium (actinide)
Torium (actinide)
Protaktinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Amerisium (actinide)
Kurium (actinide)
Berkelium (actinide)
Kalifornium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrensium (actinide)
Ruterfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hasium (transition metal)
Meitnerium (transition metal (predicted))
Darmstadtium (transition metal (predicted))
Roentgenium (transition metal (predicted))
Kopernisium (transition metal)
Nihonium (post-transition metal (predicted))
Flerovium (post-transition metal)
Moskovium (post-transition metal (predicted))
Livermorium (post-transition metal (predicted))
Tenesin (post-transition metal (predicted))
Oganeson (noble gas (predicted))
Ununennium (alkali metal (predicted))
Unbinilium (alkaline earth metal (predicted))
Unquadtrium (superactinide (predicted))
Unquadquadium (superactinide (predicted))
Unquadpentium (superactinide (predicted))
Unquadhexium (superactinide (predicted))
Unquadseptium (superactinide (predicted))
Unquadoctium (superactinide (predicted))
Unquadennium (superactinide (predicted))
Unpentnilium (superactinide (predicted))
Unpentunium (superactinide (predicted))
Unpentbium (superactinide (predicted))
Unpenttrium (superactinide (predicted))
Unpentquadium (superactinide (predicted))
Unpentpentium (superactinide (predicted))
Unpenthexium (superactinide (predicted))
Unpentseptium (superactinide (predicted))
Unpentoctium (transition metal (predicted))
Unpentennium (transition metal (predicted))
Unhexnilium (transition metal (predicted))
Unhexunium (transition metal (predicted))
Unhexbium (transition metal (predicted))
Unhextrium (transition metal (predicted))
Unhexquadium (transition metal (predicted))
Unhexpentium (transition metal (predicted))
Unhexhexium (transition metal (predicted))
Unhexseptium (post-transition metal (predicted))
Unhexoctium (post-transition metal (predicted))
Unhexennium (post-transition metal (predicted))
Unseptnilium (post-transition metal (predicted))
Unseptunium (post-transition metal (predicted))
Unseptbium (noble gas (predicted))
Unbiunium (superactinide (predicted))
Unbibium (superactinide (predicted))
Unbitrium (superactinide (predicted))
Unbiquadium (superactinide (predicted))
Unbipentium (superactinide (predicted))
Unbihexium (superactinide (predicted))
Unbiseptium (superactinide (predicted))
Unbioctium (superactinide (predicted))
Unbiennium (superactinide (predicted))
Untrinilium (superactinide (predicted))
Untriunium (superactinide (predicted))
Untribium (superactinide (predicted))
Untritrium (superactinide (predicted))
Untriquadium (superactinide (predicted))
Untripentium (superactinide (predicted))
Untrihexium (superactinide (predicted))
Untriseptium (superactinide (predicted))
Untrioctium (superactinide (predicted))
Untriennium (superactinide (predicted))
Unquadnilium (superactinide (predicted))
Unquadunium (superactinide (predicted))
Unquadbium (superactinide (predicted))
Ra

Ubn

ununeniumunbiniliumunbiunium
Nomor atom (Z)120
Golongan, blokgolongan 2 (logam alkali tanah), blok-s
Periodeperiode 8
Kategori unsurtidak diketahui, tetapi mungkin merupakan logam alkali tanah
Bobot atom standar (Ar)
Konfigurasi elektron[Og] 8s2 (prediksi)
per kelopak
2, 8, 18, 32, 32, 18, 8, 2 (prediksi)[1][2]
Sifat fisika
Fasepadat (prediksi)[1]
Titik lebur953 K ​(680 °C, ​1256 °F) (prediksi)[1]
Titik didih1973 K ​(1700 °C, ​3092 °F) (prediksi)[3]
Kepadatan mendekati s.k.7 g/cm3 (prediksi)[1]
Kalor peleburan8.03–8.58 kJ/mol (ekstrapolasi)[2]
Sifat atom
ElektronegativitasSkala Pauling: 0.91 (prediksi)[4]
Energi ionisasike-1: 563.3 kJ/mol (prediksi)[5]
ke-2: 895–919 kJ/mol
(ekstrapolasi)[2]
Jari-jari atomempiris: 200 pm (prediksi)[1]
Jari-jari kovalen206–210 pm (ekstrapolasi)[2]
Lain-lain
Struktur kristalkubus berpusat badan (bcc)
Struktur kristal Body-centered cubic untuk unbinilium

(ekstrapolasi)[6]
Nomor CAS54143-58-7
Sejarah
PenamaanNama unsur sistematik IUPAC
Isotop unbinilium terstabil
Iso­top Kelim­pahan Waktu paruh (t1/2) Moda peluruhan Pro­duk
299Ubn[7] syn 3.7 s? α 295Og
| referensi | di Wikidata

Unbinilium (Eka-radium)[8] (pengucapan: /ˌʌnbɪˈnɪliəm/) adalah nama unsur sistematik sementara dari sebuah unsur kimia yang belum ditemukan dalam sistem periodik unsur yang memiliki lambang Ubn dan bernomor atom 120. Unsur ini adalah unsur kedua yang memiliki 8 kulit yaitu kulit R (kulit 1-7 disebut K-Q). diperkirakan elemen ini berada sedikit ditengah-tengah pulau stabilitas (Island of stability).[8]

Referensi[sunting | sunting sumber]

  1. ^ a b c d e Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Dalam Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1. 
  2. ^ a b c d 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. 
  3. ^ Fricke, B.; Waber, J. T. (1971). "Theoretical Predictions of the Chemistry of Superheavy Elements" (PDF). Actinides Reviews. 1: 433–485. Diakses tanggal 7 August 2013. 
  4. ^ Pershina, V.; Borschevsky, A.; Anton, J. (2012). "Theoretical predictions of properties of group-2 elements including element 120 andtheir adsorption on noble metal surfaces". The Journal of Chemical Physics. 136 (134317). doi:10.1063/1.3699232.  This article gives the Mulliken electronegativity as 2.862, which has been converted to the Pauling scale via χP = 1.35χM1/2 − 1.37.
  5. ^ Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". Dalam Schädel, Matthias; Shaughnessy, Dawn. The Chemistry of Superheavy Elements (edisi ke-2nd). Springer Science & Business Media. hlm. 154. ISBN 9783642374661. 
  6. ^ Seaborg, Glenn T. (1969). "Prospects for further considerable extension of the periodic table" (PDF). Journal of Chemical Education. 46 (10): 626–634. doi:10.1021/ed046p626. Diakses tanggal 22 February 2018. 
  7. ^ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Schneidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Pospiech, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. (2016). "Remarks on the Fission Barriers of SHN and Search for Element 120". Dalam Peninozhkevich, Yu. E.; Sobolev, Yu. G. Exotic Nuclei: EXON-2016 Proceedings of the International Symposium on Exotic Nuclei. Exotic Nuclei. hlm. 155–164. ISBN 9789813226555. 
  8. ^ a b "Unbinilium". Elements Wiki (dalam bahasa Inggris). Diakses tanggal 2019-06-18. 

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