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4 cards from this section. Quick, good the night before a test.
What is radioactivity?
It involves emitting radiation.
Name one type of radioactive emission.
Think of the three types mentioned.
What type of particle is emitted during alpha decay?
Recall the definition of alpha particles.
True or False: Gamma rays have high ionizing power.
Think about their interaction with matter.
A sample of Uranium-238 has a half-life of 4.5 billion years. If you start with 64 grams, how much will remain after 13.5 billion years?
Use the half-life formula: start with 64g, half three times.
Explain in detail how nuclear fusion differs from nuclear fission concerning their processes and energy output.
Think about merging vs. splitting of nuclei.
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