|
gptkbp:instance_of
|
gptkb:isotope
|
|
gptkbp:application
|
nuclear batteries
radiological studies
|
|
gptkbp:block
|
p
|
|
gptkbp:class
|
chalcogen
|
|
gptkbp:color
|
metallic
|
|
gptkbp:composed_by
|
produced in nuclear reactors
|
|
gptkbp:contains_allergens
|
none known
|
|
gptkbp:discovered_by
|
gptkb:1944
gptkb:Frederic_Joliot-Curie
|
|
gptkbp:disintegration_energy
|
5.3 Me V
|
|
gptkbp:dissolved
|
insoluble
|
|
gptkbp:electronegativity
|
[ Xe] 4f14 5d10 6s2 6p3
|
|
gptkbp:electrons
|
84
|
|
gptkbp:environmental_impact
|
radioactive contamination
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Polonium-215
|
|
gptkbp:international_relations
|
unstable
|
|
gptkbp:isotopes
|
gptkb:Polonium-210
gptkb:Polonium
gptkb:true
131
84
|
|
gptkbp:lifespan
|
1.78 microseconds
|
|
gptkbp:mass
|
215.001
|
|
gptkbp:melting_point
|
254 ° C
962 ° C
|
|
gptkbp:members
|
gptkb:16
|
|
gptkbp:mode
|
gptkb:Bismuth-211
alpha decay
|
|
gptkbp:parent
|
gptkb:Lead-211
|
|
gptkbp:period
|
gptkb:6
|
|
gptkbp:population_density
|
9.2 g/cm³
|
|
gptkbp:power_source
|
8.414 e V
|
|
gptkbp:produces
|
neutron bombardment
|
|
gptkbp:roll_rate
|
1/2
|
|
gptkbp:safety
|
handled with care
|
|
gptkbp:side_effect
|
radiation poisoning
|
|
gptkbp:state_at_room_temp
|
gptkb:solid
|
|
gptkbp:storage
|
shielded containers
|
|
gptkbp:symbol
|
gptkb:Po
|
|
gptkbp:toxicity
|
highly toxic
|
|
gptkbp:uses
|
gptkb:research
|
|
gptkbp:was_a_response_to
|
neutron capture
reacts with oxygen
|
|
gptkbp:bfsParent
|
gptkb:Radon-219
|
|
gptkbp:bfsLayer
|
7
|