Nuclear Changes: Grade 11 Chemistry Worksheet
Explore the fundamentals of nuclear changes, including radioactivity, nuclear reactions, and their applications and impacts.
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Nuclear Changes: Grade 11 Chemistry Worksheet
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Read each question carefully and provide your best answer. Show all work for calculations.
1. Which type of radiation consists of high-energy electrons?
Alpha particles
Beta particles
Gamma rays
Neutrons
2. What is the process by which a heavy nucleus splits into two or more lighter nuclei?
Nuclear fusion
Nuclear fission
Radioactive decay
Transmutation
3. The time required for half of the radioactive nuclei in a sample to decay is called its .
4. Alpha particles consist of two protons and two neutrons, identical to the nucleus of a atom.
5. Gamma rays are electromagnetic waves and have no mass or charge.
True
False
6. Nuclear fusion is the process that powers nuclear power plants.
True
False
7. Describe the strong nuclear force and its role in holding the nucleus together.
8. Explain the difference between nuclear fission and nuclear fusion.
9. Label the components of the atomic nucleus in the diagram below.

A:
B: