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gptkbp:instanceOf
|
group of chemical elements
|
|
gptkbp:alsoKnownAs
|
actinide
|
|
gptkbp:appearance
|
silvery
|
|
gptkbp:atomicNumbersRange
|
89-103
|
|
gptkbp:density
|
high
|
|
gptkbp:discoveredBy
|
various scientists
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|
gptkbp:discoveryPeriod
|
late 19th to 20th century
|
|
gptkbp:firstLine
|
actinium
|
|
gptkbp:foundIn
|
uranium ores
thorium ores
|
|
https://www.w3.org/2000/01/rdf-schema#label
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actinoid
|
|
gptkbp:lastElement
|
gptkb:lawrencium
|
|
gptkbp:meltingPoint
|
varies
|
|
gptkbp:namedAfter
|
actinium
|
|
gptkbp:nature
|
gptkb:uranium
neptunium
plutonium
thorium
actinium
protactinium
americium (trace)
curium (trace)
|
|
gptkbp:notablePlace
|
gptkb:uranium
plutonium
thorium
|
|
gptkbp:numberOfRooms
|
15
|
|
gptkbp:oxidationStates
|
+3
+4
|
|
gptkbp:periodicTableGroup
|
7
f-block
|
|
gptkbp:radioactive
|
all actinoids are radioactive
|
|
gptkbp:similarTo
|
gptkb:lanthanoid
|
|
gptkbp:symbolicElements
|
gptkb:Fm
gptkb:Bk
gptkb:Cf
gptkb:Cm
gptkb:Es
gptkb:Md
gptkb:Ac
gptkb:Pu
Lr
No
U
Am
Pa
Th
Np
|
|
gptkbp:syntheticElements
|
most actinoids after uranium
|
|
gptkbp:usedIn
|
nuclear weapons
nuclear reactors
radiation therapy
smoke detectors
|
|
gptkbp:bfsParent
|
gptkb:Actinide
|
|
gptkbp:bfsLayer
|
6
|