Unit 14: Nuclear CHemistry. Section 3: Radioactive Decay and Half-Life. Radioactive Decay. The spontaneous emission of rays or particles from certain nuclei as they “decay,” such as Uranium . These rays or particles are called nuclear radiation . They come in three types:
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Unit 14: Nuclear CHemistry
Section 3: Radioactive Decay and
How many half-lives of f-18 occur in 11 minutes (660 sec)?
1 half-life = 110 seconds
= 6 half-lives
How much of the 10-gram sample would be left after 11 minutes?
After 11 minutes, only 0.16 g of the 10 g sample remain!!!!!!