வார்ப்புரு:தகவற்சட்டம் மெய்ட்னீரியம்
{{Elementbox
 |number=109
 |symbol=Mt
 |name=மெய்ட்னீரியம்
 |other name=meitnerium
 |pronounce={{IPAc-en|m|aɪ|t|ˈ|n|ɪər|i|ə|m}} {{respell|myt|NEER|ee-əm}}&lt;ref&gt;{{cite book |title=Nature's Building Blocks |first=John |last=Emsley |publisher=Oxford University Press |year=2003 |isbn=978-0198503408 |accessdate=12 November 2012 |url=http://www.google.ru/books?id=j-Xu07p3cKwC}}&lt;/ref&gt; &lt;br&gt;or {{IPAc-en|ˈ|m|aɪ|t|n|ər|i|ə|m}} {{respell|MYT|nər-ee-əm}}&lt;ref&gt;{{cite web|title=Meitnerium|url=http://www.periodicvideos.com/videos/109.htm|work=Periodic Table of Videos|publisher=The University of Nottingham|accessdate=15 October 2012}}&lt;/ref&gt;
 |left=[[ஆசியம்]]
 |right=[[டார்ம்சிட்டாட்டியம்]]
 |above=[[இரிடியம்|Ir]]
 |below=(Uhu)
 |series=unknown
 |series comment=but probably a [[தாண்டல் உலோகங்கள்]]&lt;ref name=Haire/&gt;&lt;ref name=bcc/&gt;
 |group=9
 |period=7
 |block=d
 |appearance= unknown
 |atomic mass= [278]
 |electron configuration=&amp;#91;[[ரேடான்|Rn]]&amp;#93; 5f&lt;sup&gt;14&lt;/sup&gt; 6d&lt;sup&gt;7&lt;/sup&gt; 7s&lt;sup&gt;2&lt;/sup&gt;&lt;br /&gt;''(calculated)''&lt;ref name=Haire/&gt;&lt;ref&gt;{{Cite journal|doi=10.1140/epja/i2008-10584-7|title=Dirac-Hartree-Fock studies of X-ray transitions in meitnerium|year=2008|author=Thierfelder, C.|journal=The European Physical Journal A|volume=36|pages=227|last2=Schwerdtfeger|first2=P.|last3=Heßberger|first3=F. P.|last4=Hofmann|first4=S.|issue=2|bibcode = 2008EPJA...36..227T }}&lt;/ref&gt;
 |magnetic ordering=[[paramagnetic]] ''(predicted)''&lt;ref name=&quot;paramagnetic&quot;&gt;{{cite journal|doi=10.1016/j.adt.2009.06.001|title=Hartree–Fock–Roothaan energies and expectation values for the neutral atoms He to Uuo: The B-spline expansion method|year=2009|last1=Saito|first1=Shiro L.|journal=Atomic Data and Nuclear Data Tables|volume=95|issue=6|pages=836|bibcode = 2009ADNDT..95..836S }}&lt;/ref&gt;
 |electrons per shell= 2, 8, 18, 32, 32, 15, 2&lt;br /&gt;''(predicted)''
 |phase= solid
 |phase comment=''(predicted)''&lt;ref name=bcc/&gt;
 |crystal structure=face-centered cubic
 |crystal structure ref=&amp;#x20;''(predicted)''&lt;ref name=bcc&gt;{{cite journal|doi= 10.1103/PhysRevB.84.113104|title= First-principles calculation of the structural stability of 6d transition metals|year= 2011|last1= Östlin|first1= A.|last2= Vitos|first2= L.|journal= Physical Review B|volume= 84|issue= 11|bibcode = 2011PhRvB..84k3104O }}&lt;/ref&gt;
 |density gpcm3nrt=37.4 ''(predicted)''&lt;ref name=Haire/&gt;
 |oxidation states=9, 8, 6, 4, '''3''', 1 ''(predicted)''&lt;ref name=Haire&gt;{{cite book| title = The Chemistry of the Actinide and Transactinide Elements| editor1-last = Morss|editor2-first = Norman M.| editor2-last = Edelstein| editor3-last = Fuger|editor3-first = Jean| last = Haire|first = Richard G.| chapter = Transactinides and the future elements| publisher = [[Springer Science+Business Media]]| year = 2006| isbn = 1-4020-3555-1| location = Dordrecht, The Netherlands| edition = 3rd| ref = CITEREFHaire2006}}&lt;/ref&gt;&lt;ref name=&quot;MtX4&quot;&gt;{{cite journal|doi=10.1023/B:RUCO.0000026006.39497.82|title=Halides of Tetravalent Transactinides (Rf, Db, Sg, Bh, Hs, Mt, 110th Element): Physicochemical Properties|year=2004|last1=Ionova|first1=G. V.|last2=Ionova|first2=I. S.|last3=Mikhalko|first3=V. K.|last4=Gerasimova|first4=G. A.|last5=Kostrubov|first5=Yu. N.|last6=Suraeva|first6=N. I.|journal=Russian Journal of Coordination Chemistry|volume=30|issue=5|pages=352}}&lt;/ref&gt;&lt;ref name=&quot;Mt(IX)&quot;&gt;{{cite journal|doi=10.1002/cphc.200900910|title=How Far Can We Go? Quantum-Chemical Investigations of Oxidation State +IX|year=2010|last1=Himmel|first1=Daniel|last2=Knapp|first2=Carsten|last3=Patzschke|first3=Michael|last4=Riedel|first4=Sebastian|journal=ChemPhysChem|volume=11|issue=4|pages=865–9|pmid=20127784}}&lt;/ref&gt;
 |number of ionization energies=5
 |1st ionization energy= 800.8 ''(estimated)''&lt;ref name=Haire/&gt;
 |2nd ionization energy= 1823.6 ''(estimated)''&lt;ref name=Haire/&gt;
 |3rd ionization energy= 2904.2 ''(estimated)''&lt;ref name=Haire/&gt;
 |atomic radius=128 ''(predicted)''&lt;ref name=Haire/&gt;&lt;ref name=BFricke&gt;{{cite journal |last1=Fricke |first1=Burkhard |year=1975 |title=Superheavy elements: a prediction of their chemical and physical properties |journal=Recent Impact of Physics on Inorganic Chemistry |volume=21 |pages=89–144 |doi=10.1007/BFb0116498 |url=http://www.researchgate.net/publication/225672062_Superheavy_elements_a_prediction_of_their_chemical_and_physical_properties |accessdate=4 October 2013}}&lt;/ref&gt;
 |covalent radius=129 ''(estimated)''&lt;ref name=rsc&gt;[http://www.rsc.org/chemsoc/visualelements/pages/data/meitnerium_data.html Chemical Data. Meitnerium - Mt], Royal Chemical Society&lt;/ref&gt;
 |CAS number= 54038-01-6
 |isotopes=
 {{Elementbox_isotopes_decay | mn=278 | sym=Mt | na=[[செயற்கைக் கதிரியக்க ஓரிடத்தான்|செயற்கை]] | hl=7.6 s | dm=[[அல்ஃபா சிதைவு|α]] | de=9.6 | link1=bohrium-274 | pn=274 | ps=Bh}}
 {{Elementbox_isotopes_decay | mn=276 | sym=Mt | na=[[செயற்கைக் கதிரியக்க ஓரிடத்தான்|செயற்கை]] | hl=0.72 s | dm=[[அல்ஃபா சிதைவு|α]] | de=9.71 | link1=bohrium-272 | pn=272 | ps=Bh}}
 {{Elementbox_isotopes_decay | mn=274 | sym=Mt | na=[[செயற்கைக் கதிரியக்க ஓரிடத்தான்|செயற்கை]] | hl=0.44 s  | dm=α | de=9.76 | link1=bohrium-270 | pn=270 | ps=Bh}}
 {{Elementbox_isotopes_decay | mn=270m | sym=Mt ? | na=[[செயற்கைக் கதிரியக்க ஓரிடத்தான்|செயற்கை]] | hl=1.1 s | dm=α | de= | link1=bohrium-266 | pn=266 | ps=Bh}}
 |isotopes comment=only isotopes with half-lives over 0.1 seconds are included here
 |etymology=after [[Lise Meitner]]
 |discovered by=[[Gesellschaft für Schwerionenforschung]]
 |discovery date=1982
 }}&lt;noinclude&gt;
 {{Template reference list}}
 [[பகுப்பு:தனிம அட்டவணை தகவற்சட்ட வார்ப்புருக்கள்|மெய்ட்னீரியம்]]