|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
unknown
|
|
gptkbp:artificial
|
true
|
|
gptkbp:atomicNumber
|
109
|
|
gptkbp:block
|
d-block
|
|
gptkbp:boilingPoint
|
unknown
|
|
gptkbp:CASNumber
|
54038-01-6
|
|
gptkbp:category
|
transition metal
|
|
gptkbp:discoveredBy
|
gptkb:Gottfried_Münzenberg
gptkb:Peter_Armbruster
|
|
gptkbp:discoveredIn
|
1982
|
|
gptkbp:electronConfiguration
|
[Rn] 5f14 6d7 7s2 (predicted)
|
|
gptkbp:firstSynthesized
|
GSI Helmholtz Centre for Heavy Ion Research, Darmstadt, Germany
|
|
gptkbp:halfLife
|
Meitnerium-278: ~7.6 seconds
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Meitnerium
|
|
gptkbp:isotopes
|
gptkb:Meitnerium-275
gptkb:Meitnerium-276
gptkb:Meitnerium-277
gptkb:Meitnerium-279
gptkb:Meitnerium-280
gptkb:Meitnerium-281
Meitnerium-266
Meitnerium-268
Meitnerium-270
Meitnerium-274
Meitnerium-278
|
|
gptkbp:IUPACName
|
gptkb:Meitnerium
|
|
gptkbp:locatedIn
|
gptkb:chemical_compound
|
|
gptkbp:meltingPoint
|
unknown
|
|
gptkbp:mostStableIsotope
|
Meitnerium-278
|
|
gptkbp:namedAfter
|
gptkb:Lise_Meitner
|
|
gptkbp:neutrons
|
varies by isotope
|
|
gptkbp:period
|
7
|
|
gptkbp:protons
|
109
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:relatedGroup
|
9
|
|
gptkbp:solidAtRoomTemperature
|
unknown
|
|
gptkbp:standardState
|
unknown
|
|
gptkbp:symbol
|
Mt
|
|
gptkbp:uses
|
no practical uses
|
|
gptkbp:bfsParent
|
gptkb:GSI_Helmholtz_Centre_for_Heavy_Ion_Research
|
|
gptkbp:bfsLayer
|
4
|