Statements (53)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:chemical_compound
|
gptkbp:application |
used in certain types of radiation sources
used in some types of smoke detectors used in the production of neutron sources |
gptkbp:block |
p-block
|
gptkbp:category |
metalloid
|
gptkbp:color |
silvery-gray
|
gptkbp:composed_by |
can be produced artificially
|
gptkbp:composed_of |
reacts with halogens
reacts with oxygen forms polonides with metals |
gptkbp:contains_allergens |
none known
|
gptkbp:discovered_by |
gptkb:Marie_Curie
|
gptkbp:discovery_year |
1898
|
gptkbp:dissolved |
insoluble in water
soluble in organic solvents |
gptkbp:electronegativity |
1.9 (Pauling scale)
[ Xe] 4f14 5d10 6s2 6p4 |
gptkbp:health_issues |
can cause cancer
can cause radiation poisoning |
gptkbp:history |
named after Poland
|
https://www.w3.org/2000/01/rdf-schema#label |
Polonium
|
gptkbp:is_set_in |
lead
tellurium bismuth |
gptkbp:isotopes |
gptkb:Po-209
gptkb:Po-210 gptkb:true 84 Po-208 |
gptkbp:lifespan |
138.376 days
|
gptkbp:melting_point |
254 ° C
962 ° C |
gptkbp:members |
gptkb:16
|
gptkbp:notable_for |
used in the production of certain types of nuclear weapons
used in the assassination of Alexander Litvinenko |
gptkbp:occurs_in |
trace amounts in uranium ores
not found in nature in significant amounts |
gptkbp:period |
gptkb:6
|
gptkbp:population_density |
9.2 g/cm³
|
gptkbp:research |
studied for its potential use in thermoelectric devices
studied for its use in space missions studied for its use in targeted alpha-particle therapy |
gptkbp:storage |
must be stored in lead-lined containers
|
gptkbp:structure |
cubic
|
gptkbp:symbol |
gptkb:Po
|
gptkbp:toxicity |
highly toxic
|
gptkbp:uses |
research purposes
nuclear batteries anti-static devices |
gptkbp:waste_management |
must be disposed of as radioactive waste
|
gptkbp:bfsParent |
gptkb:Marie_Curie
|
gptkbp:bfsLayer |
4
|