Meitnerium has an atomic number of 109, meaning each atom contains 109 protons in its nucleus.
The standard atomic weight of meitnerium is [278] u (unified atomic mass units).
Meitnerium is classified as a unknown.
Meitnerium is a solid at 20 Β°C (68 Β°F).
The electron configuration of meitnerium is [Rn] 5f14 6d7 7s2.
Meitnerium commonly exhibits the following oxidation states: +3, +6.
Meitnerium was discovered in 1982 by Gesellschaft fΓΌr Schwerionenforschung.
Meitnerium is a synthetic radioactive element that does not occur naturally and must be produced in a laboratory.
No biological role.
Meitnerium is used for: Scientific research only.