|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:affiliatedWith
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
unknown
|
|
gptkbp:atomicNumber
|
110
|
|
gptkbp:atomicRadius
|
unknown
|
|
gptkbp:atomicWeight
|
[281] (most stable isotope)
|
|
gptkbp:block
|
d-block
|
|
gptkbp:boilingPoint
|
unknown
|
|
gptkbp:CASNumber
|
54083-77-1
|
|
gptkbp:category
|
superheavy element
transition metal
|
|
gptkbp:density
|
unknown
|
|
gptkbp:discoveredBy
|
gptkb:Gesellschaft_für_Schwerionenforschung
|
|
gptkbp:discoveredIn
|
gptkb:Darmstadt,_Germany
1994
|
|
gptkbp:electronConfiguration
|
[Rn] 5f14 6d8 7s2
|
|
gptkbp:firstSynthesisMethod
|
fusion of lead-208 and nickel-62
|
|
gptkbp:firstSynthesized
|
1994
|
|
gptkbp:halfLife
|
~10 seconds (most stable isotope)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Darmstadtium
|
|
gptkbp:isotopes
|
Ds-267
Ds-271
Ds-273
Ds-277
Ds-281
|
|
gptkbp:isotopesCount
|
at least 7 known isotopes
|
|
gptkbp:IUPACName
|
gptkb:Darmstadtium
|
|
gptkbp:meltingPoint
|
unknown
|
|
gptkbp:mostStableIsotope
|
Ds-281
|
|
gptkbp:namedAfter
|
gptkb:Darmstadt
|
|
gptkbp:namedFor
|
gptkb:IUPAC
|
|
gptkbp:naturalOccurrence
|
synthetic
|
|
gptkbp:neutrons
|
varies by isotope
|
|
gptkbp:officialNameApproval
|
2003
|
|
gptkbp:oxidationStates
|
+2
0
+6
+4
|
|
gptkbp:period
|
7
|
|
gptkbp:positionInPeriodicTable
|
period 7, group 10, d-block
|
|
gptkbp:previousName
|
gptkb:Ununnilium
|
|
gptkbp:protons
|
110
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:relatedGroup
|
10
|
|
gptkbp:series
|
gptkb:transition_metals
|
|
gptkbp:stable
|
extremely unstable
|
|
gptkbp:standardState
|
unknown
|
|
gptkbp:symbol
|
Ds
|
|
gptkbp:uses
|
no practical uses
|
|
gptkbp:bfsParent
|
gptkb:Darmstadt
gptkb:GSI_Helmholtz_Centre_for_Heavy_Ion_Research
|
|
gptkbp:bfsLayer
|
4
|