|
gptkbp:instance_of
|
gptkb:isotope
|
|
gptkbp:application
|
used in scientific research
used in anti-static devices
|
|
gptkbp:block
|
p-block
|
|
gptkbp:color
|
silvery-gray
|
|
gptkbp:composed_of
|
metalloid
synthesized from bismuth
|
|
gptkbp:discovered_by
|
gptkb:Frederick_Soddy
|
|
gptkbp:dissolved
|
insoluble in water
|
|
gptkbp:ecological_role
|
no known biological role
|
|
gptkbp:electronegativity
|
2.0 (Pauling scale)
[ Xe] 4f14 5d10 6s2 6p4
|
|
gptkbp:environmental_impact
|
highly toxic
radioactive contamination
|
|
gptkbp:historical_period
|
gptkb:6
|
|
gptkbp:historical_significance
|
used in the assassination of Alexander Litvinenko
|
|
gptkbp:historical_source
|
found in uranium ores
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Po-210
|
|
gptkbp:isotopes
|
gptkb:isotope
gptkb:Po-209
gptkb:Po-211
gptkb:Po-212
84
rare in nature
5.3 Me V
|
|
gptkbp:lifespan
|
138.376 days
|
|
gptkbp:market
|
available through specialized suppliers
|
|
gptkbp:material
|
can form alloys with other metals
|
|
gptkbp:melting_point
|
254 ° C
962 ° C
|
|
gptkbp:members
|
gptkb:16
|
|
gptkbp:mode
|
alpha decay
Pb-206
Bi-210
|
|
gptkbp:parent
|
Pb-206
|
|
gptkbp:population
|
9.2 g/cm³
|
|
gptkbp:power_output
|
8.414 e V
|
|
gptkbp:previous_name
|
polonium
|
|
gptkbp:produced_by
|
produced in nuclear reactors
|
|
gptkbp:regulatory_compliance
|
regulated material
|
|
gptkbp:roll_rate
|
gptkb:0
|
|
gptkbp:safety_features
|
requires careful handling
requires radiation shielding
|
|
gptkbp:side_effect
|
can cause cancer
|
|
gptkbp:storage
|
stored in lead containers
|
|
gptkbp:symbol
|
gptkb:Po
|
|
gptkbp:transportation
|
subject to transport regulations
|
|
gptkbp:type_of
|
7440-08-6
|
|
gptkbp:uses
|
radiological applications
|
|
gptkbp:was_a_response_to
|
reacts with oxygen
produced in neutron capture reactions
|
|
gptkbp:water_management
|
requires special disposal methods
|
|
gptkbp:year_created
|
gptkb:1940
|
|
gptkbp:bfsParent
|
gptkb:Polonium
|
|
gptkbp:bfsLayer
|
4
|