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Meitnerium Metal Solid Radio
active		 Synthetic
Symbol: Mt
Atomic number: 109
Atomic mass: (268)
Group: Transition Metal
CAS-number: 54038-01-6
 
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Physical data
Electronic data  Thermal data  Steric data
Shells: 2,8,18,32,32,15,2
Orbitals: [Rn] 5f14 6d7 7s2
Electronegativity: --, --
1. Ionization potential: -- eV
2. Ionization potential: -- eV
3. Ionization potential: -- eV
Oxidation states: --
Electrical conductivity: --
 Melting point: -- °C
Boiling point: -- °C
Specific heat: -- J/gK
Heat of fusion: -- kJ/mol
Heat of vaporization: -- kJ/mol
Thermal conductivity: -- W/cmK
 Atomic radius: -- Å
Ionic radius: -- Å ()
Covalent radius: -- Å
Atomic volume: -- cm³/mol
Density (293 K): -- g/cm³
Crystal structure: --
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Isotopes
NuclideAbundance [%]MassSpinHalflifeDecay modeDecay tree
266Mt0266.1380~3.4msAlphaView
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Other info
Name origin:Named in honor of Lise Meitner.
Description:Synthetic radioactive metal.
Discovered by:Heavy Ion Research Laboratory (HIRL)
Year:1982
Place:Germany
Sources:Obtained by bombarding bismuth-209 with iron-58.
Use(s):It has no significant commercial applications.
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