1. Atoms of the same element with different mass numbers are called:
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Unit 21: Nuclear Physics
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2. Which process releases more energy per unit mass?
3. Who discovered the atomic nucleus through the gold foil experiment?
4. Which statement best defines falsifiability?
5. Which radiation is most dangerous inside the human body?
6. Radioactivity is the process in which a nucleus:
7. The nucleus of an atom carries:
8. Background radiation mainly comes from:
9. The spontaneous change of a nucleus into another nucleus is called:
10. Dark matter is called dark because it:
11. Which material is commonly used as a moderator in nuclear reactors?
12. In nuclear representation, what does the atomic number represent?
13. The relation E = mc² shows that:
14. Which radiation has the highest ionizing power?
15. Control rods in a nuclear reactor absorb:
16. Radiation used in cancer treatment is:
17. Ionizing radiations mainly cause damage by:
18. The nucleus is extremely small compared to the:
19. Which nuclear radiation is unaffected by electric fields?
20. A scientific theory is falsifiable if it can be: