Which of the following nuclei are doubly magic? (A) \( { }_{2}^{4} \mathrm{He}^{.} \) (B) \( { }...

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Which of the following nuclei are doubly magic?
(A) \( { }_{2}^{4} \mathrm{He}^{.} \)
(B) \( { }_{8}^{16} 0 \)
(C) \( { }_{82}^{208} \mathrm{~Pb} \)
(D) \( { }_{92}^{238} \mathrm{U} \)
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