meitnerium — Mt

The chemical element meitnerium is an element of type Unclassified with the symbol Mt. It has an atomic mass of 278 u and an electronic configuration of [Rn] 5f14 6d7 7s2.
Synthétique Radioactif Liquide Gaz

278

109

2
8
18
32
32
15
2

[Rn] 5f14 6d7 7s2

Electronic configuration diagram

characteristics

Atomic number: 109
Atomic mass: 278
Symbol: Mt
Melting point: 0
Boiling point: 0
Density: 37.4
Period: 7
Group: 9
Discovery: 1982 GSI
Abundance: 0
Radius: 0
Electronegativity: 0
Ionization: 0
Isotope: 0
Electronic configuration: [Rn] 5f14 6d7 7s2
Oxidation state: 0
Electron: 2,8,18,32,32,15,2

Meitnerium is a synthetic chemical element with the symbol Mt and atomic number 109. Although it does not occur naturally in the Earth's crust, it attracts the interest of researchers and mineralogy enthusiasts due to its unique properties. Discovered in 1982, meitnerium pays tribute to Lise Meitner, a pioneering nuclear physicist. As a member of the transition metal family, meitnerium is mainly studied in the laboratory for its theoretical characteristics and interactions with other elements.