Mc
Moscovium
Element 115 · Post-transition metal
Moscovium (Mc)
Moscovium is a synthetic superheavy element made by fusing americium with calcium.
- Post-transition metal
- Period 7
- Group 15
- p-block
- solid at room temperature
- ☢ Radioactive
Key properties
- Atomic mass
- [290]
- u
- Electron configuration
- [Rn] 5f14 6d10 7s2 7p3
- Melting point
- 396.9 °C
- 670 K
- Boiling point
- 1,126.9 °C
- 1,400 K
- Density
- 13.5 g/cm³
- Electronegativity
- —
- Atomic radius
- —
- 1st ionisation energy
- —
Superheavy elements have only been made a few atoms at a time. Most properties shown are theoretical predictions.
Compare with every element:Electronegativity chartAtomic radius chartIonisation energy chartDensity chart of the elementsMelting point chartElectron configuration chart
Did you know?
Notable facts about moscovium
- 01
It was found by a joint Dubna–Livermore team.
- 02
It was officially named in 2016.
- 03
Its most stable known isotopes last a fraction of a second.
Applications
What is moscovium used for?
- Research
History
Discovery & name origin
Discovered by
Year
Where
Russia and United States
Name origin
From the Moscow region, home of Dubna.
Atomic structure
Atomic properties
Atomic structure
Atomic properties
- Atomic number
- 115
- Atomic mass
- [290] u
- Group
- 15
- Period
- 7
- Block
- p-block
- Electron configuration
- [Rn] 5f14 6d10 7s2 7p3
- Full configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p3
- Electrons per shell
- 2, 8, 18, 32, 32, 18, 5
- Electronegativity (Pauling)
- —
- Electron affinity
- —
- Atomic radius (van der Waals)
- —
- Stable isotopes
- None — all isotopes are radioactive
Oxidation states
Highlighted: common oxidation states (+3, +1).
Physical
Physical properties & colour
Physical
Physical properties & colour
- State at 20 °C
- Solid (predicted)
- Melting point
- 670 K · 396.9 °C · 746.3 °F
- Boiling point
- 1,400 K · 1,126.9 °C · 2,060.3 °F
- Density
- 13.5 g/cm³
- Molar heat capacity
- —
- Appearance
- —
- CPK model colour
- —
The CPK colour is the convention used for this element’s atoms in molecular models.
FAQ
Moscovium questions
What is Mc on the periodic table?
Mc is the symbol for moscovium, element 115 on the periodic table. It sits in group 15, period 7, in the post-transition metal category, and has an atomic mass of [290].
What is the atomic number of moscovium?
Moscovium has atomic number 115, so every moscovium atom has 115 protons in its nucleus. Its symbol is Mc and its atomic mass is [290].
Who discovered moscovium?
Moscovium was discovered by Yuri Oganessian in 2003 (Russia and United States). The name comes from from the Moscow region, home of Dubna.
What is moscovium used for?
Moscovium is used for: research.
Is moscovium a metal?
Yes. Moscovium is a post-transition metal, one of the metallic elements.
What is the electron configuration of moscovium?
The electron configuration of moscovium is [Rn] 5f14 6d10 7s2 7p3 (predicted). Its 115 electrons are arranged in shells as 2, 8, 18, 32, 32, 18, 5.