Doubly magic nucleus

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Which of the following is a doubly magic nucleus

(a) 82­Pb207

(a) 82­Pb206

(a) 82­Pb208

(a) 823Pb209

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Chemistry Ankush Bansal 1 Answer 31 views 0

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    July 25, 2017 at 6:41 pm

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    In nuclear physics, a magic number is a number of nucleons (either protons or neutrons, separately) such that they are arranged into complete shells within the atomic nucleus. The seven most widely recognized magic numbers as of 2007 are 2, 8, 20, 28, 50, 82, and 126 (sequence A018226 in the OEIS).

    In 82­Pb206  there are 82 protons and 126 neutrons.

    Hence, option C will be the answer.

     

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