From Wikipedia, the free encyclopediaMoscovium is the name of a synthetic superheavy element in the periodic table that has the symbol Mc and has the atomic number 115. It is an extremely radioactive element; its most stable known isotope, moscovium-289, has a half-life of only 220 milliseconds. It is also known as eka-bismuth or simply element 115. | |||||||||||
Moscovium in the periodic table | |||||||||||
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Symbol | Mc | ||||||||||
Atomic number | 115 | ||||||||||
Group | 15 | ||||||||||
Period | 7 | ||||||||||
Block | p | ||||||||||
Element category | Unknown | ||||||||||
Physical properties | |||||||||||
Phase at STP | Solid | ||||||||||
Density | 13.5 g/cm3 | ||||||||||
Atomic weight | 289 u | ||||||||||
Melting point | 670 K 396.85 °C 746.33 °F | ||||||||||
Boiling point | 1400 K 1126.85 °C 2060.33 °F | ||||||||||
Atomic properties | |||||||||||
Electronegativity (Pauling Scale) | |||||||||||
Electron affinity | 35.3 kJ/mol | ||||||||||
Oxidation states | (+1), (+3) (predicted) | ||||||||||
Ionization energies |
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Electron configuration | |||||||||||
Elektronkonfiguration (shorthand) | [Rn] 5f14 6d10 7s2 7p3 | ||||||||||
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p3 | ||||||||||
Electrons per shell | 2, 8, 18, 32, 32, 18, 5 | ||||||||||
History | |||||||||||
Discovered | 2003 | ||||||||||
Discovered by | Joint Institute for Nuclear Research |