Unbinilium

120Ubn
Unbinilium
Konfigurasi elektron unbinilium
Sifat umum
Pengucapan/unbinilium/
Nama alternatifunsur 120, eka-radium
Unbinilium dalam tabel periodik
Perbesar gambar

120Ubn
Hidrogen Helium
Lithium Berilium Boron Karbon Nitrogen Oksigen Fluor Neon
Natrium Magnesium Aluminium Silikon Fosfor Sulfur Clor Argon
Potasium Kalsium Skandium Titanium Vanadium Chromium Mangan Besi Cobalt Nikel Tembaga Seng Gallium Germanium Arsen Selen Bromin Kripton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Ra

Ubn

ununeniumunbiniliumunbiunium
Lihat bagan navigasi yang diperbesar
Nomor atom (Z)120
Golongangolongan 2 (logam alkali tanah)
Periodeperiode 8
Blokblok-s
Kategori unsurtidak diketahui, tetapi mungkin merupakan logam alkali tanah
Konfigurasi elektron[Og] 8s2 (diprediksi)
Elektron per kelopak2, 8, 18, 32, 32, 18, 8, 2 (diprediksi)[1][2]
Sifat fisik
Fase pada STS (0 °C dan 101,325 kPa)padat (diprediksi)[1]
Titik lebur953 K ​(680 °C, ​1256 °F) (diprediksi)[1]
Titik didih1973 K ​(1700 °C, ​3092 °F) (diprediksi)[3]
Kepadatan mendekati s.k.7 g/cm3 (diprediksi)[1]
Kalor peleburan8,03–8,58 kJ/mol (diekstrapolasi)[2]
Sifat atom
Bilangan oksidasi(+1),[4] (+2), (+4) (diprediksi)[5]
ElektronegativitasSkala Pauling: 0,91 (diprediksi)[6]
Energi ionisasike-1: 563,3 kJ/mol (diprediksi)[7]
ke-2: 895–919 kJ/mol
(diekstrapolasi)[2]
Jari-jari atomempiris: 200 pm (diprediksi)[1]
Jari-jari kovalen206–210 pm (diekstrapolasi)[2]
Lain-lain
Struktur kristalkubus berpusat badan (bcc)
Struktur kristal Body-centered cubic untuk unbinilium

(diekstrapolasi)[8]
Nomor CAS54143-58-7
Sejarah
Penamaannama unsur sistematik IUPAC
Isotop unbinilium yang utama
Iso­top Kelim­pahan Waktu paruh (t1/2) Mode peluruhan Pro­duk
299Ubn[9] sintetis 3,7 dtk? α 295Og
| referensi | di Wikidata
Unbinilium Konfigurasi elektron

Unbinilium (Eka-radium)[10] (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).[10]

Referensi

  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-3). 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 12 Agustus 2022. 
  4. ^ Thayer, John S. (2010). "Relativistic Effects and the Chemistry of the Heavier Main Group Elements". Relativistic Methods for Chemists. Challenges and Advances in Computational Chemistry and Physics. 10: 84. doi:10.1007/978-1-4020-9975-5_2. ISBN 978-1-4020-9974-8. 
  5. ^ 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 978-1-4020-3555-5. 
  6. ^ 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.  Artikel ini memberikan keelektronegatifan Mulliken sebagai 2,862, yang telah dikonversi ke skala Pauling melalui χP = 1,35χM1/2 − 1,37.
  7. ^ 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. 
  8. ^ 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 12 Agustus 2022. 
  9. ^ 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. 
  10. ^ a b "Unbinilium". Elements Wiki (dalam bahasa Inggris). Diakses tanggal 2019-06-18. 

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