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Chapter 4 Vocab!
chapter 4 vocab
Question | Answer |
---|---|
nuclear chemistry | the branch of chemistry concerned with nuclear reactions |
alpha particle | a positively charged particle emitted in radioactive decay or nuclear fission |
beta particle | a negatively charged particle emitted from an atomic nucleus in radioactive decay |
gamma radiation | a photon emitted by a radioactive substance |
natural transmutation | occurs when certain radioactive elements decay over a period of time, transforming into other elements |
artificial transmutation | artificially induced nuclear reaction caused by the bombardment of a nucleus with subatomic particles |
fission | the act of cleaving or splitting into parts |
fusion | the act of coming together (fusing) |
half-life | the amount of time it takes for half an initial amount to disintegrate |
radioactive decay | transformation of an unstable atomic nucleus into a lighter one |