Statements (57)
Predicate | Object |
---|---|
gptkbp:instanceOf |
chemical element
|
gptkbp:benefits |
radiation exposure
|
gptkbp:category |
actinide
|
gptkbp:chemicalFormula |
face-centered cubic
reacts with halogens reacts with acids forms salts forms oxides reacts with oxygen +3, +4, +5 |
gptkbp:colors |
silvery-white
|
gptkbp:dissolved |
insoluble
|
gptkbp:distribution |
13.67 g/cm³
|
gptkbp:endOfLife |
432.2 years (americium-241)
7370 years (americium-243) |
gptkbp:engineConfiguration |
[Rn] 5f^7 7s^2
|
gptkbp:environmental_impact |
radioactive contamination
|
gptkbp:established |
gptkb:Glenn_T._Seaborg
|
gptkbp:historical_significance |
contributed to nuclear technology advancements
first synthetic element after plutonium used in early atomic research part_of_the_Manhattan_Project |
https://www.w3.org/2000/01/rdf-schema#label |
americium
|
gptkbp:iceClass |
1176 °C
2880 °C |
gptkbp:is_available_in |
industrial applications
nuclear reactors research laboratories spent nuclear fuel |
gptkbp:ISO639-3 |
gptkb:americium-243
true americium-241 |
gptkbp:marketedAs |
gptkb:Am-241
Am-243 |
gptkbp:notableFeature |
1.1 (Pauling scale)
|
gptkbp:numberOfFigures |
95
|
gptkbp:occursAnnually |
synthetic
|
gptkbp:productionCompany |
neutron capture
|
gptkbp:public_transport_access |
regulated_by_IAEA
|
gptkbp:related_to |
gptkb:curium
plutonium thorium berkelium neptunium |
gptkbp:releaseYear |
1944
|
gptkbp:researchInterest |
material science
nuclear physics neutron sources radiological studies |
gptkbp:safety |
shielding required
|
gptkbp:safetyFeatures |
radioactive material
|
gptkbp:symbol |
Am
|
gptkbp:uses |
smoke detectors
radiography nuclear batteries |
gptkbp:waterManagement |
hazardous waste
burial in deep geological formations |