|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
gptkb:unknown
|
|
gptkbp:atomicNumber
|
101
|
|
gptkbp:atomicWeight
|
(258)
|
|
gptkbp:block
|
f-block
|
|
gptkbp:CASNumber
|
7440-11-1
|
|
gptkbp:category
|
gptkb:actinide
synthetic element
transuranium element
|
|
gptkbp:density
|
10.3 g/cm³ (estimated)
|
|
gptkbp:discoveredBy
|
gptkb:Albert_Ghiorso
gptkb:Bernard_G._Harvey
gptkb:Glenn_T._Seaborg
gptkb:Gregory_R._Choppin
gptkb:Stanley_G._Thompson
|
|
gptkbp:discoveredIn
|
1955
|
|
gptkbp:discoveryMethod
|
bombardment of einsteinium with alpha particles
|
|
gptkbp:electronConfiguration
|
[Rn] 5f13 7s2
|
|
gptkbp:firstSynthesized
|
gptkb:University_of_California,_Berkeley
|
|
gptkbp:isotopes
|
gptkb:Md-256
gptkb:Md-257
gptkb:Md-258
gptkb:Md-259
gptkb:Md-260
|
|
gptkbp:IUPACName
|
gptkb:Mendelevium
|
|
gptkbp:meltingPoint
|
827 K
|
|
gptkbp:mostStableIsotope
|
gptkb:Md-258
|
|
gptkbp:namedAfter
|
gptkb:Dmitri_Mendeleev
|
|
gptkbp:naturalOccurrence
|
does not occur naturally
|
|
gptkbp:neutrons
|
157 (for Md-258)
|
|
gptkbp:oxidationStates
|
+2
+3
|
|
gptkbp:periodicTableGroup
|
gptkb:actinide
7
|
|
gptkbp:protons
|
101
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
gptkb:Md
|
|
gptkbp:uses
|
gptkb:scientific_research
|
|
gptkbp:bfsParent
|
gptkb:Dmitri_Mendeleev
gptkb:The_Transuranium_Elements
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mendelevium
|