uranium
a naturally occurring element with atomic number Z = 92 in the form of a mixture of three isotopes: fertile uranium-238, fissile uranium-235, uranium-234, all three being alpha-emitters
GRM: n.
SBL/EXP: U
References:
GEN fissionable material
GEN fissile material
SEE atomic number
SEE proton number
SPE depleted uranium
SPE enriched uranium

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