Moscovium - element symbol Mc -is the international name approved by IUPAC in November 2016 for the chemical element 115, which until then had been given the provisional systematic designation Ununpentium (Uup). After a five-month public review period that ended on November 8, 2016, the proposed name was officially endorsed by the IUPAC Council.

The name suggestion came from the discoverers of the element with atomic number 115 at the Joint Institute for Nuclear Research (JINR) in Dubna near Moscow.

The namesakes chose the element name Moscovium in recognition of the Moscow region and in honor of historic Russia, home of the Joint Institute for Nuclear Research where the experiments leading up to the discovery were conducted.

The artificial, unstable, radioactive, superheavy chemical element moscovium was first created in 2004; these first indications of the element were confirmed by a research team in 2013.

It was made by bombarding americium isotopes ²⁴³Am with calcium nuclei ⁴⁸Ca.

Employment and research on this element is for academic purposes only - there are no technical or other practical applications.

General Information about Moscovium

Atomar Properties of Moscovium

Electron configuration of Moscovium

Due to its position in the periodic table, moscovium probably has 5 valence electrons: 7s² 7p³. The electron configuration is:

Shorthand electron configuration of Moscovium: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³.

Ionization Energies of Moscovium

The following table lists the ionization energies IE (ionization potentials); the IE is the energy required in electron volt (eV) per atom to separate a given electron from an Moscovium atom.

Isotopic Data of Moscovium

An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Moscovium isotopes.

Chemistry of Moscovium

Material and Physical Properties

External Data, Identifiers

Literature Sources and References

[1] - Yu. Ts. Oganessian et al.:
Experiments on the synthesis of element 115 in the reaction ²⁴³Am(⁴⁸Ca,xn)^291−x115.
In: Physical Review C, (2004), DOI 10.1103/PhysRevC.69.021601.

[2] - Yu. Ts. Oganessian et al.:
Synthesis of elements 115 and 113 in the reaction ²⁴³Am+⁴⁸Ca.
In: Physical Review C, (2005), DOI 10.1103/PhysRevC.72.034611.

[3] - D. Rudolph et al.:
Spectroscopy of Element 115 Decay Chains.
In: Physical Review Letters, (2013), DOI 10.1103/PhysRevLett.111.112502.

[4] - J. M. Gates et al.:
Decay spectroscopy of element 115 daughters: ²⁸⁰Rg → ²⁷⁶Mt and ²⁷⁶Mt → ²⁷²Bh.
In: Physical Review C, (2015), DOI 10.1103/PhysRevC.92.021301.

[5] - Paul J. Karol, Robert C. Barber, Bradley M. Sherrill, Emanuele Vardaci, Toshimitsu Yamazaki:
Discovery of the elements with atomic numbers Z = 113, 115 and 117.
In: Pure and Applied Chemistry, (2016), DOI 10.1515/pac-2015-0502.

[6] - Yuri Oganessian:
The making of moscovium.
In: Nature Chemistry, (2018), DOI 10.1038/s41557-018-0185-6.

Last update: 2022-12-18

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