Nuclei and Nuclear Energy

Physics · Chapter 20 · Unit 8: Atoms and Nuclei

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: Size, mass and binding energy19 slides
2. Part 2: Fission, fusion and nuclear energy21 slides
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Notes Beta
7 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
75 board-style questions with instant checks: Numerical 22, Short answer 17, Multiple choice 16, Long answer 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Nuclei and Nuclear Energy · 40 marks · 100 min
- Chapter test (short) — Nuclei and Nuclear Energy · 20 marks · 50 min
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Composition and size of the nucleus; nuclear density; isotopes, isobars and isotones; unified atomic mass unit
Mass-energy relation E = mc^2; mass defect and binding energy; pair production and annihilation
Binding energy per nucleon against mass number; stability of middle-order nuclei
Nuclear fission; chain reaction (controlled and uncontrolled); nuclear reactor parts and functions; nuclear bomb
Nuclear fusion; fusion of hydrogen into helium; thermonuclear energy in the sun and stars; hydrogen bomb