|
gptkbp:instance_of
|
gptkb:weapon
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Starman_(1994)
|
|
gptkbp:application
|
nuclear batteries
|
|
gptkbp:average_temperature
|
gptkb:public_square
|
|
gptkbp:category
|
radioactive element
|
|
gptkbp:class
|
chalcogen
|
|
gptkbp:color
|
silvery-gray
|
|
gptkbp:discovered_by
|
gptkb:Frederick_Soddy
1940s
|
|
gptkbp:dissolved
|
insoluble
|
|
gptkbp:electronegativity
|
[ Xe] 4f14 5d10 6s2 6p4
|
|
gptkbp:environmental_impact
|
highly toxic
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Agent Polonium
|
|
gptkbp:is_found_in
|
trace amounts in uranium ores
|
|
gptkbp:isotopes
|
gptkb:Polonium-210
84
|
|
gptkbp:lifespan
|
138.376 days
|
|
gptkbp:melting_point
|
254 ° C
962 ° C
|
|
gptkbp:notable_for
|
Alexander Litvinenko's poisoning
|
|
gptkbp:occurs_in
|
rare in nature
|
|
gptkbp:origin
|
gptkb:Politician
|
|
gptkbp:population
|
9.2 g/cm³
|
|
gptkbp:related_to
|
alpha radiation
|
|
gptkbp:replaced_by
|
gptkb:Marie_Curie
|
|
gptkbp:safety_features
|
radiation hazard
|
|
gptkbp:symbol
|
gptkb:Po
|
|
gptkbp:used_in
|
gptkb:superhero
nuclear research
anti-static devices
|
|
gptkbp:weight
|
209
|