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10 questions from this quiz
Nucleons
Number of protons (atomic number)
Same protons, different neutrons
Up to 1.5:1
About 10−1510^{-15}10−15 m (nucleus diameter)
Neutrons add strong force w/o repulsion
Elements with >92 protons, all unstable
Iron-56 (56^{56}56Fe)
Total binding energy / nucleons
Moves toward higher binding energy
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