|
gptkbp:instance_of
|
gptkb:isotope
|
|
gptkbp:application
|
gptkb:medical_imaging
neutron sources
industrial gauges
|
|
gptkbp:class
|
actinides
|
|
gptkbp:color
|
silvery-white
|
|
gptkbp:composed_by
|
from plutonium-241
|
|
gptkbp:discovered_by
|
gptkb:Glenn_T._Seaborg
|
|
gptkbp:discovery_year
|
gptkb:1944
|
|
gptkbp:dissolved
|
soluble in acids
|
|
gptkbp:electronegativity
|
1.1 (Pauling scale)
|
|
gptkbp:environmental_impact
|
radioactive waste
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
americium-241
|
|
gptkbp:isotopes
|
gptkb:americium-243
gptkb:true
146
95
unstable
alpha-emitting isotope
americium-238
americium-239
americium-240
americium-242
|
|
gptkbp:lifespan
|
432.2 years
|
|
gptkbp:mass
|
241.05685 u
|
|
gptkbp:material
|
used in various alloys
|
|
gptkbp:melting_point
|
1050 ° C
2600 ° C
|
|
gptkbp:members
|
actinides
|
|
gptkbp:mode
|
alpha decay
neptunium-237
bismuth-209
|
|
gptkbp:parent
|
gptkb:plutonium-241
|
|
gptkbp:population_density
|
13.67 g/cm³
|
|
gptkbp:power_source
|
5.573 e V
|
|
gptkbp:produces
|
particle accelerators
nuclear reactors
|
|
gptkbp:regulatory_compliance
|
controlled substance
|
|
gptkbp:roll_rate
|
5/2
|
|
gptkbp:safety
|
radiation exposure
|
|
gptkbp:storage
|
shielded containers
|
|
gptkbp:structure
|
face-centered cubic
|
|
gptkbp:symbol
|
gptkb:Am
|
|
gptkbp:uses
|
smoke detectors
radiography
nuclear batteries
|
|
gptkbp:was_a_response_to
|
reactive with water
reactive with acids
reactive with air
|
|
gptkbp:waste_management
|
specialized facilities
|
|
gptkbp:bfsParent
|
gptkb:americium
|
|
gptkbp:bfsLayer
|
6
|