Moscovium (Mc) – element 115
Moscovium is a chemical element with the symbol Mc and atomic number 115. It is a unknown (probably post-transition metal) in group 15 (pnictogens), period 7 of the periodic table (p-block), and is a solid at room temperature.
Moscovium (Mc) has atomic number 115, atomic mass [290] and electron configuration *[Rn] 5f14 6d10 7s2 7p3.
Moscovium facts
| Symbol | Mc |
|---|---|
| Atomic number | 115 |
| Atomic mass | [290] |
| Category | unknown (probably post-transition metal) |
| Group | group 15 (pnictogens) |
| Period | 7 |
| Block | p-block |
| Phase at 20 °C | Solid |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p3 |
| Noble-gas notation | *[Rn] 5f14 6d10 7s2 7p3 |
| Electrons per shell | 2, 8, 18, 32, 32, 18, 5 |
| Valence electrons | 5 |
Bohr model and shells
Moscovium has 115 electrons in 7 shells: 2, 8, 18, 32, 32, 18, 5. Full configuration and noble-gas notation are in the table; work out any element or ion with the electron configuration calculator.
Physical and atomic properties
| Melting point | 670 K (396.9 °C) |
|---|---|
| Boiling point | 1400 K (1126.8 °C) |
| Density | 13.5 g/cm³ |
| Electron affinity | 35.3 kJ/mol |
| Discovered by | Joint Institute for Nuclear Research |
Use the atomic mass in the molar mass calculator for any formula containing Mc.
Position in the periodic table
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Frequently asked questions
What is the atomic mass of moscovium?
The atomic mass of moscovium is [290] (mass number of its longest-lived isotope, since it has no stable isotope).
What is the electron configuration of moscovium?
Moscovium has 115 electrons: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p³, or *[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ in noble-gas notation. Electrons per shell: 2, 8, 18, 32, 32, 18, 5.
How many valence electrons does moscovium have?
Moscovium has 5 valence electrons (group 15).
Is moscovium a metal?
Yes. Moscovium is a unknown (probably post-transition metal).
Where is moscovium on the periodic table?
Moscovium is in group 15 (pnictogens), period 7, in the p-block.
Data: Periodic-Table-JSON (CC BY-SA 3.0); standard atomic weights from IUPAC (abridged). Values in brackets are the mass number of the longest-lived isotope.