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Simplify the expression. If the expression cannot be simplified, so state.
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Uranium Isotope
Variants of the uranium atom that have the same number of protons but different numbers of neutrons in their nuclei.
Atomic Weapons
Weapons that derive their destructive power from the release of atomic energy through processes involving nuclear fission, fusion, or a combination of both.
Critical Mass
The minimum amount of fissile material needed to maintain a nuclear chain reaction for a nuclear explosion or a reactor.
Chain Reaction
A series of reactions where a reactive product or by-product causes additional reactions to take place, often leading to a self-sustaining sequence.
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