einsteinium

URI: https://gptkb.org/entity/einsteinium

GPTKB entity

AI-created image

Statements (51)

Predicate	Object
gptkbp:instanceOf	gptkb:chemical_compound
gptkbp:appearance	silvery
gptkbp:atomicNumber	99
gptkbp:atomicRadius	186 pm
gptkbp:atomicWeight	[252]
gptkbp:block	f-block
gptkbp:boilingPoint	gptkb:unknown
gptkbp:CASNumber	7429-92-7
gptkbp:category	gptkb: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)
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	gptkb: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	gptkb:actinide
gptkbp:symbol	gptkb:Es
gptkbp:uses	gptkb:scientific_research
gptkbp:bfsParent	gptkb:Glenn_Seaborg gptkb:Glenn_T._Seaborg
gptkbp:bfsLayer	4
https://www.w3.org/2000/01/rdf-schema#label	einsteinium