Please provide the data needed to fill in the following table below.

Element	Mass Number (A)	Neutron Number (N)	Atomic Number (Z)
12C	12	6	6
9Be			4
66Zn		36
235U			92

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Figure 16.9 in Taylor, et al., shows a sketch of the potential for protons and neutrons in a nucleus of moderate mass. Why is the potential well deeper for neutrons in than for protons?

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Imagine the neutrons had a spin of 0 instead of 1/2. How would that affect nuclear structure?

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Estimate the radius of a ²³⁵U nucleus.

1. 6.2 fm
2. 62 fm
3. 6.2 nm
4. 1 fm
5. 100 fm

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Which of the following nuclei would you expect to be particularly stable?

1. ⁴He
2. ¹⁶O
3. ⁶Li
4. ¹⁴N
5. ⁴⁰Ca
6. ²⁰⁸Pb
7. ⁵²Cr

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²⁰Ne and ²⁰Na are mirror nuclei. Which would you expect to have the lower energy ground state?

1. sodium
2. neon
3. They should be the same.

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What would you expect j to be for ³⁹K? (consult Figure 16.17 in Taylor, et al.)

1. 1/2
2. 3/2
3. 5/2
4. 7/2
5. 9/2

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What would you expect j be for ⁴⁰Ca?

1. 0
2. 1/2
3. 1
4. 3/2
5. 2

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What would you expect j to be for ⁴¹Ca? (consult Figure 16.17 in Taylor, et al.)

1. 1/2
2. 3/2
3. 5/2
4. 7/2
5. 9/2

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