115 Mc 289
Moscovium
unknown, probably post-transition metal
Properties
- Atomic number
- 115
- Atomic mass
- 289 u
- Category
- unknown, probably post-transition metal
- Group
- 15
- Period
- 7
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 5
- Electronegativity
- -
- Density
- 13.5 g/cm³
- Melting point
- 396.85 °C
- Boiling point
- 1126.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p³
Noble-gas shorthand: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³
Electrons per shell: 2, 8, 18, 32, 32, 18, 5, which is 5 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Moscovium
Moscovium 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.
- Discovered by Joint Institute for Nuclear Research
Moscovium: frequently asked questions
- What is Moscovium?
- Moscovium (Mc) is the chemical element with atomic number 115. It is not yet firmly classified; it is listed as "unknown, probably post-transition metal".
- What is the atomic number of Moscovium?
- Moscovium's atomic number is 115, which means every Moscovium atom has 115 protons in its nucleus.
- What is the electron configuration of Moscovium?
- The electron configuration of Moscovium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p3 (noble-gas shorthand: [Rn] 5f14 6d10 7s2 7p3). Its electrons are arranged in shells of 2, 8, 18, 32, 32, 18, 5, with 5 in the outermost shell.
- Is Moscovium a metal or a nonmetal?
- Moscovium is not yet firmly classified; it is listed as "unknown, probably post-transition metal".
- What group and period is Moscovium in?
- Moscovium is in group 15 and period 7 of the periodic table.
- Is Moscovium a solid, liquid, or gas?
- At room temperature, Moscovium is a solid.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.