Chemical element with atomic number 115 (Mc)
Moscovium, 115 Mc Pronunciation (mos-SKOH -vee-əm ) Mass number [290] (data not decisive)[ a]
Atomic number (Z ) 115 Group group 15 (pnictogens) Period period 7 Block p-block Electron configuration [Rn ] 5f14 6d10 7s2 7p3 (predicted) [ 3] Electrons per shell 2, 8, 18, 32, 32, 18, 5 (predicted) Phase at STP solid (predicted) [ 3] Melting point 670 K (400 °C, 750 °F) (predicted) [ 3] [ 4] Boiling point ~1400 K (~1100 °C, ~2000 °F) (predicted) [ 3] Density (near r.t. ) 13.5 g/cm3 (predicted) [ 4] Heat of fusion 5.90–5.98 kJ/mol (extrapolated) [ 5] Heat of vaporization 138 kJ/mol (predicted) [ 4] Oxidation states (+1 ), (+3 ) (predicted) [ 3] [ 4] Ionization energies 1st: 538.3 kJ/mol (predicted) [ 6] 2nd: 1760 kJ/mol (predicted) [ 4] 3rd: 2650 kJ/mol (predicted) [ 4] (more ) Atomic radius empirical: 187 pm (predicted) [ 3] [ 4] Covalent radius 156–158 pm (extrapolated) [ 5] Natural occurrence synthetic CAS Number 54085-64-2 Naming After Moscow region Discovery Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2003)
Category: Moscovium | references
child table, as reused in {IB-Mc}
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^ a b Bonchev, Danail; Kamenska, Verginia (1981). "Predicting the Properties of the 113–120 Transactinide Elements" . Journal of Physical Chemistry . 85 (9). American Chemical Society: 1177–1186. doi :10.1021/j150609a021 .
^ Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". In Schädel, Matthias; Shaughnessy, Dawn (eds.). The Chemistry of Superheavy Elements (2nd ed.). Springer Science & Business Media. p. 154. ISBN 9783642374661 .
^ a b Kovrizhnykh, N. (27 January 2022). "Update on the experiments at the SHE Factory" . Flerov Laboratory of Nuclear Reactions. Retrieved 28 February 2022 .
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