Template:Infobox unbinilium

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Unbinilium, 120Ubn
Unbinilium
Pronunciation/ˌuːnbaɪˈnɪliəm/ ​(OON-by-NIL-ee-əm)
Alternative nameselement 120, eka-radium
Unbinilium in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
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
Ununennium Unbinilium
Unquadtrium Unquadquadium Unquadpentium Unquadhexium Unquadseptium Unquadoctium Unquadennium Unpentnilium Unpentunium Unpentbium Unpenttrium Unpentquadium Unpentpentium Unpenthexium Unpentseptium Unpentoctium Unpentennium Unhexnilium Unhexunium Unhexbium Unhextrium Unhexquadium Unhexpentium Unhexhexium Unhexseptium Unhexoctium Unhexennium Unseptnilium Unseptunium Unseptbium
Unbiunium Unbibium Unbitrium Unbiquadium Unbipentium Unbihexium Unbiseptium Unbioctium Unbiennium Untrinilium Untriunium Untribium Untritrium Untriquadium Untripentium Untrihexium Untriseptium Untrioctium Untriennium Unquadnilium Unquadunium Unquadbium
Ra
↑
Ubn
↓
—
ununennium ← unbinilium → unbiunium
Atomic number (Z)120
Groupgroup 2 (alkaline earth metals)
Periodperiod 8
Block  s-block
Element category  s-block, but probably an alkaline earth metal
Electron configuration[Og] 8s2 (predicted)[1]
Electrons per shell2, 8, 18, 32, 32, 18, 8, 2 (predicted)
Physical properties
Phase at STPsolid (predicted)[1][2]
Melting point953 K ​(680 °C, ​1256 °F) (predicted)[1]
Boiling point1973 K ​(1700 °C, ​3092 °F) (predicted)[3]
Density (near r.t.)7 g/cm3 (predicted)[1]
Heat of fusion8.03–8.58 kJ/mol (extrapolated)[2]
Atomic properties
Oxidation states(+1),[4] (+2), (+4) (predicted)[1]
ElectronegativityPauling scale: 0.91 (predicted)[5]
Ionization energies
  • 1st: 563.3 kJ/mol (predicted)[6]
  • 2nd: 895–919 kJ/mol (extrapolated)[2]
Atomic radiusempirical: 200 pm (predicted)[1]
Covalent radius206–210 pm (extrapolated)[2]
Other properties
Crystal structure ​body-centered cubic (bcc)
Body-centered cubic crystal structure for unbinilium

(extrapolated)[7]
CAS Number54143-58-7
History
NamingIUPAC systematic element name
Main isotopes of unbinilium
Iso­tope Abun­dance Physics:Half-life (t1/2) Decay mode Pro­duct
299Ubn[8] syn 3.7 s? α 295Og
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Ubn
data m.p. cat
in calc from C diff report ref
C 680 — —
K 953 953 0
F 1256 1256 0
max precision 0
WD


input C: 680, K: 953, F: 1256
comment (predicted)[1]
Ubn
data b.p. cat
in calc from C diff report ref
C 1700 — —
K 1973 1970 3 delta
F 3092 3090 2 delta
max precision 0
WD


input C: 1700, K: 1973, F: 3092
comment (predicted)[3]
[
]  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Chemistry:Oxidation states
Spectral lines image
Physics: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

These references will appear in the article, but this list appears only on this page.
  1. ↑ Jump up to: 1.0 1.1 1.2 1.3 1.4 1.5 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". in Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5. 
  2. ↑ Jump up to: 2.0 2.1 2.2 2.3 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. https://www.researchgate.net/publication/239657207_Predicting_the_properties_of_the_113_to_120_transactinide_elements. 
  3. ↑ Fricke, B.; Waber, J. T. (1971). "Theoretical Predictions of the Chemistry of Superheavy Elements". Actinides Reviews 1: 433–485. http://kobra.bibliothek.uni-kassel.de/bitstream/urn:nbn:de:hebis:34-2008100124269/1/Fricke_theoretical_1971.pdf. Retrieved 7 August 2013. 
  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. ↑ 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.
  6. ↑ Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". in Schädel, Matthias; Shaughnessy, Dawn. The Chemistry of Superheavy Elements (2nd ed.). Springer Science & Business Media. p. 154. ISBN 9783642374661. 
  7. ↑ Seaborg, Glenn T. (1969). "Prospects for further considerable extension of the periodic table". Journal of Chemical Education 46 (10): 626–634. doi:10.1021/ed046p626. http://www.chymist.com/Extending%20the%20Periodic%20Table.pdf. Retrieved 22 February 2018. 
  8. ↑ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G. et al. (2016). "Remarks on the Fission Barriers of SHN and Search for Element 120". Exotic Nuclei. pp. 155–164. ISBN 9789813226555. 

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