AnswersFoothill-B Period-Chemistry-2627BBalancing Nuclear ReactionsQuestion 7
7
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Balancing Nuclear Reactions

Question 7 • Foothill-B Period-Chemistry-26/27B

203 80Hg → 203 81TI + ?

Answer
Mercury-203 undergoes beta minus decay. The subscript in the nuclide notation, Hg, is:

80

The element symbol produced is:

Tl

It has a mass number:

203

and an atomic number:

81

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