Transition metal, atomic number 116.
Livermorium is a synthetic superheavy element with symbol Lv and atomic number 116. It is an extremely radioactive element that has only been created in the laboratory and has not been observed in nature. The element is named after the Lawrence Livermore National Laboratory in the United States, which collaborated with the Joint Institute for Nuclear Research in Dubna, Russia to discover livermorium in 2000.
Symbol Lv. Atomic mass 293.0 u. Group 16, period 7. Electron configuration [Rn] 5f14 6d10 7s2 7p4. Electrons per shell 2, 8, 18, 32, 32, 18, 6. State at room temperature: Solid. Melting point 435.9 °C, boiling point 811.9 °C. Discovered by Joint Institute for Nuclear Research.
Element data from Wikipedia, CC BY-SA 3.0.