Nuclear Chemistry Basics
Explore the fundamental concepts of nuclear chemistry, including atomic structure, radioactivity, nuclear reactions, and half-life calculations.
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Nuclear Chemistry Basics
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. What is the primary characteristic that defines an isotope of an element?
Number of protons
Number of electrons
Number of neutrons
Overall atomic mass
2. Alpha decay involves the emission of a helium nucleus, which consists of two protons and two .
3. The time it takes for half of the radioactive nuclei in a sample to decay is known as its .
4. Nuclear fusion is the process by which a large nucleus splits into smaller nuclei.
True
False
5. Describe the main difference between nuclear fission and nuclear fusion, and provide one real-world application for each.
6. A radioactive isotope has a half-life of 20 minutes. If you start with 100 grams of the isotope, how much will remain after 1 hour?