gptkbp:instance_of
|
gptkb:isotope
|
gptkbp:application
|
used in scientific research
|
gptkbp:casnumber
|
13981-52-7
|
gptkbp:class
|
chalcogen
|
gptkbp:color
|
silvery-gray
|
gptkbp:composed_of
|
metallic
|
gptkbp:contains_allergens
|
none known
|
gptkbp:cooling_system
|
34 W/(m· K)
|
gptkbp:discovered_by
|
gptkb:1940
gptkb:Frederic_Joliot-Curie
|
gptkbp:disintegration_energy
|
5.3 Me V
|
gptkbp:dissolved
|
insoluble in water
|
gptkbp:electronegativity
|
2.0 (Pauling scale)
|
https://www.w3.org/2000/01/rdf-schema#label
|
Polonium-211
|
gptkbp:isotopes
|
gptkb:Polonium
127
84
|
gptkbp:lifespan
|
0.516 seconds
|
gptkbp:mass
|
211.00674 u
|
gptkbp:melting_point
|
254 ° C
962 ° C
|
gptkbp:members
|
gptkb:16
|
gptkbp:mode
|
Lead-207
alpha decay
|
gptkbp:parent
|
gptkb:Bismuth-211
|
gptkbp:period
|
gptkb:6
|
gptkbp:population_density
|
9.2 g/cm³
|
gptkbp:power_source
|
8.4 e V
|
gptkbp:previous_name
|
gptkb:Polonium-211
|
gptkbp:roll_rate
|
1/2
|
gptkbp:safety
|
radioactive
|
gptkbp:source
|
produced in nuclear reactors
|
gptkbp:structure
|
cubic
|
gptkbp:symbol
|
gptkb:Po
|
gptkbp:toxicity
|
highly toxic
|
gptkbp:uses
|
radiotherapy
|
gptkbp:bfsParent
|
gptkb:Polonium-210
|
gptkbp:bfsLayer
|
8
|