|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:application
|
material science
radiation therapy
neutron sources
radiological safety
nuclear science
|
|
gptkbp:block
|
f-block
|
|
gptkbp:casnumber
|
7440-35-9
|
|
gptkbp:category
|
actinide
|
|
gptkbp:color
|
silvery-white
|
|
gptkbp:color_in_flame_test
|
gptkb:yellow
|
|
gptkbp:cooling_system
|
11.5 W/(m· K)
|
|
gptkbp:discovered_by
|
gptkb:Glenn_T._Seaborg
|
|
gptkbp:discovery_year
|
gptkb:1944
|
|
gptkbp:dissolved
|
insoluble
|
|
gptkbp:electronegativity
|
1.1 (Pauling scale)
|
|
gptkbp:environmental_impact
|
radioactive contamination
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
americium
|
|
gptkbp:is_found_in
|
nuclear reactors
spent nuclear fuel
plutonium processing
|
|
gptkbp:is_set_in
|
gptkb:californium
gptkb:curium
gptkb:berkelium
gptkb:neptunium
plutonium
|
|
gptkbp:isotopes
|
gptkb:americium-241
gptkb:americium-243
95
|
|
gptkbp:lifespan
|
432.2 years (americium-241)
7370 years (americium-243)
|
|
gptkbp:marketed_as
|
trade names
|
|
gptkbp:melting_point
|
1176 K
2880 K
|
|
gptkbp:members
|
actinides
|
|
gptkbp:notable_conductors
|
gptkb:Company
|
|
gptkbp:occurs_in
|
synthetic
|
|
gptkbp:oxidation_states
|
+3, +4, +5
|
|
gptkbp:period
|
gptkb:7
|
|
gptkbp:population_density
|
13.67 g/cm³
|
|
gptkbp:power_source
|
5.576 e V
|
|
gptkbp:produces
|
neutron capture
|
|
gptkbp:safety
|
shielding required
|
|
gptkbp:side_effect
|
radioactive toxicity
|
|
gptkbp:structure
|
face-centered cubic
|
|
gptkbp:symbol
|
gptkb:Am
|
|
gptkbp:uses
|
smoke detectors
radiography
nuclear batteries
|
|
gptkbp:was_a_response_to
|
similar to curium
similar to europium
|
|
gptkbp:waste_management
|
radioactive waste
|
|
gptkbp:bfsParent
|
gptkb:Mendeleev's_Periodic_Table
|
|
gptkbp:bfsLayer
|
5
|