Physics · Nuclear Physics
Which nuclei are considered unstable and radioactive?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Nuclei with atomic number < 20
- 2Nuclei with even protons and neutrons
- 3Nuclei with proton number < 50
- 4Nuclei with proton number > 83✓
Correct answer
Nuclei with proton number > 83
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