Template:Infobox meitnerium

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Meitnerium,  109Mt
General properties
Name, symbol meitnerium, Mt
Pronunciation /maɪtˈnɪəriəm/[1] or /ˈmaɪtnəriəm/[2]
myt-NEER-ee-əm or MYT-nər-ee-əm
Meitnerium in the periodic table
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (post-transition metal)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Ir
↑
Mt
↓
(Uhu)
hassium ← meitnerium → darmstadtium
Atomic number (Z) 109
Group, block group 9, d-block
Period period 7
Element category unknown, but probably a transition metal[3][4]
Standard atomic weight (Ar) [278]
Electron configuration [Rn] 5f14 6d7 7s2 (calculated)[3][5]
per shell
 2, 8, 18, 32, 32, 15, 2 (predicted)
Physical properties
Phase solid (predicted)[4]
Density near r.t. 37.4 g/cm3 (predicted)[3]
Atomic properties
Oxidation states 9, 8, 6, 4, 3, 1 ​(predicted)[3][6][7][8]
Ionization energies 1st: 800.8 kJ/mol
2nd: 1823.6 kJ/mol
3rd: 2904.2 kJ/mol
(more) (all estimated)[3]
Atomic radius empirical: 128 pm (predicted)[3][8]
Covalent radius 129 pm (estimated)[9]
Miscellanea
Crystal structure ​face-centered cubic (fcc)
Face-centered cubic crystal structure for meitnerium

(predicted)[4]
Magnetic ordering paramagnetic (predicted)[10]
CAS Number 54038-01-6
History
Naming after Lise Meitner
Discovery Gesellschaft für Schwerionenforschung (1982)
Most stable isotopes of meitnerium
iso NA half-life DM DE (MeV) DP
278Mt syn 7.6 s α 9.6 274Bh
276Mt syn 0.72 s α 9.71 272Bh
274Mt syn 0.44 s α 9.76 270Bh
270mMt ? syn 1.1 s α 266Bh
· references

References

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  8. ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Chemical Data. Meitnerium - Mt, Royal Chemical Society
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.

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