Element 116
Livermorium (Lv)
Livermorium (Lv) is element 116 of the periodic table, an element with unclassified properties in period 7, group 16 (p-block) with an atomic mass of 293 and is a solid at standard conditions.
At a glance
- Atomic number
- 116
- Symbol
- Lv
- Atomic mass
- 293 u
- Category
- Unclassified properties
- Period
- 7
- Group
- 16
- Block
- p-block
- Phase at STP
- solid
Electron structure
- Electron configuration
- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 5f14 6d10 7s2 7p4
- Shorthand configuration
- [Rn] 5f14 6d10 7s2 7p4
- Electrons per shell
- 2, 8, 18, 32, 32, 18, 6
- Oxidation states
- -2, +2, +4
Physical properties
Livermorium has only ever been produced in quantities too small to weigh or observe in bulk. The physical and atomic values below are theoretical predictions from periodic trends and relativistic calculations, not measurements.
- Melting point
- 709 K (435.85 °C) (predicted)
- Boiling point
- 1,085 K (811.85 °C) (predicted)
- Density
- 12.9 g/cm³ (predicted)
- Phase
- solid
Atomic properties
- Covalent radius
- 175 pm (predicted)
- First ionization energy
- 663 kJ/mol (predicted)
- Electron affinity
- 75 kJ/mol (predicted)
Notable isotopes
| Isotope | Mass | Abundance | Stability |
|---|---|---|---|
| Lv-293 | 293.20449 | - | Half-life 57 ms |
Common uses
- Scientific research only
Discovery
- Year
- 2000
- Discovered by
- Joint Institute for Nuclear Research, Lawrence Livermore National Laboratory
- Country
- Russia/USA
Frequently asked questions
- Is livermorium a metal?
- Livermorium's chemical category has not been confirmed by experiment, so it is listed with unclassified properties.
- How many protons does livermorium have?
- Livermorium has 116 protons. Its atomic number is 116, which is also the number of electrons in a neutral atom of livermorium.
- What group and period is livermorium in?
- Livermorium is in group 16 and period 7 of the periodic table, in the p-block.
- What is the atomic mass of livermorium?
- The atomic mass of livermorium is 293 u (unified atomic mass units).
Keep exploring
Livermorium's row is on the printable element property sheet, and its tile is on the periodic table wall chart - the same numbers as above, laid out for A4 or A3 paper.