|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery
|
|
gptkbp:atomicNumber
|
99
|
|
gptkbp:atomicRadius
|
186 pm
|
|
gptkbp:atomicWeight
|
[252]
|
|
gptkbp:block
|
f-block
|
|
gptkbp:boilingPoint
|
—
|
|
gptkbp:CASNumber
|
7429-92-7
|
|
gptkbp:category
|
actinide
|
|
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.
debris from the first hydrogen bomb explosion
|
|
gptkbp:discoveredIn
|
1952
|
|
gptkbp:electronConfiguration
|
[Rn] 5f11 7s2
|
|
gptkbp:electronegativity
|
1.3 (Pauling scale)
|
|
gptkbp:firstIsolatedAt
|
gptkb:Lawrence_Berkeley_National_Laboratory
|
|
gptkbp:foundIn
|
nuclear test
|
|
gptkbp:halfLifeOfEs-253
|
20.47 days
|
|
gptkbp:halfLifeOfEs-254
|
276 days
|
|
gptkbp:heatOfFusion
|
—
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Einsteinium
|
|
gptkbp:isomerOf
|
gptkb:Einsteinium-253
gptkb:Einsteinium-254
|
|
gptkbp:IUPACName
|
gptkb:Einsteinium
|
|
gptkbp:meltingPoint
|
1133 K
|
|
gptkbp:molarVolume
|
29.3 cm³/mol
|
|
gptkbp:mostStableIsotope
|
gptkb:Einsteinium-252
|
|
gptkbp:namedAfter
|
gptkb:Albert_Einstein
|
|
gptkbp:notFoundInNature
|
true
|
|
gptkbp:numberOfIsotopes
|
19
|
|
gptkbp:oxidationStates
|
+3
|
|
gptkbp:period
|
7
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:positionInPeriodicTable
|
period 7, group 3, f-block
|
|
gptkbp:producedBy
|
neutron bombardment of plutonium or uranium
|
|
gptkbp:radioactive
|
alpha decay
true
|
|
gptkbp:relatedGroup
|
actinide
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
gptkb:Es
|
|
gptkbp:uses
|
scientific research
|
|
gptkbp:vaporPressure
|
—
|
|
gptkbp:yearNamed
|
1955
|
|
gptkbp:bfsParent
|
gptkb:The_Transuranium_Elements
|
|
gptkbp:bfsLayer
|
5
|