115Mc289.000
Post-Transition Metalp-blockRadioactivePredicted properties
Moscovium
Element 115 on the periodic table, symbol Mc, group 15, period 7.
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.
Properties
- Atomic Number
- 115
- Atomic Mass
- 289.0000 u
- Group
- 15
- Period
- 7
- Block
- p-block
- Category
- Post-Transition Metal
- State at 25 °C
- Solid
- Melting Point
- 670 K · 396.9 °C
- Boiling Point
- 1,400 K · 1,126.9 °C
- Density
- 13.5 g/cm³
- Atomic Radius
- Not measured
- Electronegativity
- Not measured
- Oxidation States
- None commonly seen
- Abundance in Crust
- Vanishingly rare
- Discovered
- 2003
- Discovered By
- Joint Institute for Nuclear Research
Electron Configuration
*[Rn] 5f14 6d10 7s2 7p3
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p3
Elements near Moscovium
Elements in the same group share the number of outer electrons and behave in similar ways. Elements in the same period share a shell, so they change steadily from left to right.