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Unbinilium, 120 Ubn Theoretical element Pronunciation Cèṭa'an:Infobox element/pronunciation Alternative names element 120, eka-radium Allotropes Cèṭa'an:Infobox element/symbol-to-allotropes Mass number Cèṭa'an:Infobox element/symbol-to-most-stable-isotope Cèṭa'an:Infobox element/periodic table Atomic number (Z ) 120 Group Cèṭa'an:Infobox element/symbol-to-group Period Cèṭa'an:Infobox element/symbol-to-period Block Cèṭa'an:Infobox element/block format Electron configuration Cèṭa'an:Infobox element/symbol-to-electron-configuration Electrons per shell 2, 8, 18, 32, 32, 18, 8, 2 (predicted) Phase at STP solid (predicted) [ 1] [ 2] Melting point 953 K (680 °C, 1256 °F) (predicted) [ 1] Boiling point 1973 K (1700 °C, 3092 °F) (predicted) [ 3] Density (near r.t. ) 7 g/cm3 (predicted) [ 1] Heat of fusion 8.03–8.58 kJ/mol (extrapolated) [ 2] Oxidation states Cèṭa'an:Infobox element/symbol-to-oxidation-state Electronegativity Pauling scale: 0.91 (predicted) [ 4] Ionization energies 1st: 563.3 kJ/mol (predicted) [ 5] 2nd: 895–919 kJ/mol (extrapolated) [ 2] Atomic radius empirical: 200 pm (predicted) [ 1] Covalent radius 206–210 pm (extrapolated) [ 2] Cèṭa'an:Infobox element/spectral lines Natural occurrence Cèṭa'an:Infobox element/symbol-to-occurrence Crystal structure Cèṭa'an:Infobox element/crystal structure (extrapolated) [ 6] CAS Number 54143-58-7 Naming IUPAC systematic element name Symbol Cèṭa'an:Infobox element/symbol-to-symbol-etymology Experiments and theoretical calculations | references
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↑ 1,0 1,1 1,2 1,3 Kasala'an pameṭṭèkan: Tag <ref> tidak sah;
tidak ditemukan teks untuk ref bernama Haire ↑ 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 . ↑ 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 . ↑ Pershina, V.; Borschevsky, A.; Anton, J. (2012). "Theoretical predictions of properties of group-2 elements including element 120 and their adsorption on noble metal surfaces". The Journal of Chemical Physics . 136 (134317). doi :10.1063/1.3699232 . P = 1.35χM 1/2 − 1.37.↑ 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 . ↑ 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 .
