Meitneryo

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Meitnerium
109Mt
Ir

Mt

(Uhu)
hassiummeitneriumdarmstadtium
Appearance
unknown
General properties
Name, simbolo, kaiphan meitnerium, Mt, 109
Pronunciation Plantilya:IPAc-en Plantilya:Respell[1]
or Plantilya:IPAc-en Plantilya:Respell[2]
Element category unknown
but probably a transition metal[3][4]
Group, period, block 97, d
Standard atomic weight [278]
Electron configuration [Rn] 5f14 6d7 7s2
(calculated)[3][5]
2, 8, 18, 32, 32, 15, 2
(predicted)
Electron shells of meitnerium (2, 8, 18, 32, 32, 15, 2(predicted))
History
Discovery Gesellschaft für Schwerionenforschung (1982)
Physical properties
Phase magahi (predicted)[4]
Density (near r.t.) 37.4 (predicted)[3] g·cm−3
Atomic properties
Oxidation states 9, 8, 6, 4, 3, 1 (predicted)[3][6][7]
Ionization energies
(more)
1st: 800.8 (estimated)[3] kJ·mol−1
2nd: 1823.6 (estimated)[3] kJ·mol−1
3rd: 2904.2 (estimated)[3] kJ·mol−1
Atomic radius 122 (predicted)[3] pm
Covalent radius 129 (estimated)[8] pm
Miscellanea
Crystal structure face-centered cubic (predicted)[4]
Meitnerium has a face-centered cubic crystal structure
Magnetic ordering paramagnetic (predicted)[9]
CAS registry number 54038-01-6
Most stable isotopes
Main article: 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
only isotopes with half-lives over 0.1 seconds are included here
t  h  u
· r

Ang meitneryo (Iningles meitnerium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Mt ug kaiphan nga atomik 109. Ang meitneryo mao ang kapos sa datos.

Ang mga gi basihan niini[usba | edit source]

  1. Emsley, John (2003). Nature's Building Blocks, Oxford University Press. ISBN 978-0198503408, http://www.google.ru/books?id=j-Xu07p3cKwC. Gikuha sa 12 Nobiyembre 2012. 
  2. Meitnerium. Periodic Table of Videos. The University of Nottingham. Retrieved on 15 October 2012.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Haire, Richard G. (2006). "Transactinides and the future elements". in Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1. 
  4. 4.0 4.1 4.2 Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B 84 (11). doi:10.1103/PhysRevB.84.113104. Bibcode2011PhRvB..84k3104O. 
  5. Thierfelder, C.; Schwerdtfeger, P.; Heßberger, F. P.; Hofmann, S. (2008). "Dirac-Hartree-Fock studies of X-ray transitions in meitnerium". The European Physical Journal A 36 (2): 227. doi:10.1140/epja/i2008-10584-7. Bibcode2008EPJA...36..227T. 
  6. Ionova, G. V.; Ionova, I. S.; Mikhalko, V. K.; Gerasimova, G. A.; Kostrubov, Yu. N.; Suraeva, N. I. (2004). "Halides of Tetravalent Transactinides (Rf, Db, Sg, Bh, Hs, Mt, 110th Element): Physicochemical Properties". Russian Journal of Coordination Chemistry 30 (5): 352. doi:10.1023/B:RUCO.0000026006.39497.82. 
  7. Himmel, Daniel; Knapp, Carsten; Patzschke, Michael; Riedel, Sebastian (2010). "How Far Can We Go? Quantum-Chemical Investigations of Oxidation State +IX". ChemPhysChem 11 (4): 865–9. doi:10.1002/cphc.200900910. PMID 20127784. 
  8. Chemical Data. Meitnerium - Mt, Royal Chemical Society
  9. Saito, Shiro L. (2009). "Hartree–Fock–Roothaan energies and expectation values for the neutral atoms He to Uuo: The B-spline expansion method". Atomic Data and Nuclear Data Tables 95 (6): 836. doi:10.1016/j.adt.2009.06.001. Bibcode2009ADNDT..95..836S. 


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