|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery
|
|
gptkbp:atomicNumber
|
99
|
|
gptkbp:atomicRadius
|
186 pm
|
|
gptkbp:atomicWeight
|
[252]
|
|
gptkbp:block
|
f-block
|
|
gptkbp:boilingPoint
|
unknown
|
|
gptkbp:CASNumber
|
7429-92-7
|
|
gptkbp:category
|
actinide
synthetic element
transuranium element
|
|
gptkbp:crystalSystem
|
hexagonal
|
|
gptkbp:density
|
8.84 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Albert_Ghiorso
gptkb:Glenn_T._Seaborg
gptkb:Stanley_G._Thompson
gptkb:Bertram_G._Harvey
gptkb:Kenneth_Street_Jr.
|
|
gptkbp:discoveredIn
|
gptkb:University_of_California,_Berkeley
1952
|
|
gptkbp:electronConfiguration
|
[Rn] 5f11 7s2
|
|
gptkbp:electronegativity
|
1.3 (Pauling scale)
|
|
gptkbp:firstIsolatedFrom
|
1952
|
|
gptkbp:foundIn
|
gptkb:United_States
nuclear explosion debris
|
|
gptkbp:halfLife
|
471.7 days (Es-252)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
einsteinium
|
|
gptkbp:isomerOf
|
gptkb:einsteinium-254
einsteinium-253
|
|
gptkbp:isotopesKnown
|
19
|
|
gptkbp:IUPACName
|
gptkb:einsteinium
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:mainDecayMode
|
alpha decay
|
|
gptkbp:mainOxidationState
|
+3
|
|
gptkbp:meltingPoint
|
1133 K
|
|
gptkbp:molarHeatCapacity
|
unknown
|
|
gptkbp:mostStableIsotope
|
gptkb:einsteinium-252
|
|
gptkbp:namedAfter
|
gptkb:Albert_Einstein
|
|
gptkbp:neutrons
|
153 (Es-252)
|
|
gptkbp:oxidationStates
|
+3
|
|
gptkbp:period
|
7
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:positionInPeriodicTable
|
period 7, f-block, actinide series
|
|
gptkbp:protons
|
99
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:relatedGroup
|
actinide
|
|
gptkbp:symbol
|
gptkb:Es
|
|
gptkbp:uses
|
scientific research
|
|
gptkbp:bfsParent
|
gptkb:Glenn_Seaborg
gptkb:Glenn_T._Seaborg
|
|
gptkbp:bfsLayer
|
4
|