Problem: In the sketch below, the red spheres represent protons and the gray spheres represent neutrons.Based on its atomic number and mass number, do you think the product nucleus is stable or radioactive?

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In the sketch below, the red spheres represent protons and the gray spheres represent neutrons.

Particle 1 (5 protons and 5 neutrons) plus particle 2 (one neutron) goes to particle 3 (3 protons and 4 neutrons) plus particle 4 (2 protons and 2 neutrons).

Based on its atomic number and mass number, do you think the product nucleus is stable or radioactive?

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Our tutors have indicated that to solve this problem you will need to apply the Band of Stability concept. You can view video lessons to learn Band of Stability. Or if you need more Band of Stability practice, you can also practice Band of Stability practice problems.