?(a) Which two of the following are isotopes of the same element: \({ }_{16}^{31}
Chapter 2, Problem 2.26(choose chapter or problem)
(a) Which two of the following are isotopes of the same element: \({ }_{16}^{31} \mathrm{X},{ }_{15}^{31} \mathrm{X},{ }_{16}^{32} \mathrm{X}\)?
(b) What is the identity of the element whose isotopes you have selected?
Text Transcription:
{ }_{16}^{31} X,{ }_{15}^{31} X,{ }_{16}^{32} X
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