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Meitnerium
109Mt
Ir ↑ Mt ↓ (Uhu) Periodic table hassium ← meitnerium → darmstadtium
Panagway
unknown
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	meitnerium, Mt, 109
Paglitok	/maɪtˈnɪəriəm/ [[Help:Pronunciation respelling key|myt-Plantilya:Smallcaps all-ee-əm]][1] or /ˈmaɪtnəriəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-nər-ee-əm]][2]
Kategoriyang elemento	unknown but probably a transition metal[3][4]
Group, period, block	9, 7, d
Gibug-aton sa atomo	[278]
Kontorno sa elektron	[Rn] 5f14 6d7 7s2 (calculated)[3][5] 2, 8, 18, 32, 32, 15, 2 (predicted)
History
Pagkadiskobre	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]
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
v t e · 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.

1. ↑ Emsley, John (2003). Nature's Building Blocks. Oxford University Press. ISBN 978-0198503408. Retrieved 12 November 2012.
2. ↑ "Meitnerium". Periodic Table of Videos. The University of Nottingham. Retrieved 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 (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.{{cite book}}: CS1 maint: ref duplicates default (link)
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). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
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. Bibcode:2008EPJA...36..227T. doi:10.1140/epja/i2008-10584-7.
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. Bibcode:2009ADNDT..95..836S. doi:10.1016/j.adt.2009.06.001.