Question

Which of the isotopes is the most abundant isotope in the sample?

Cd-106
Cd-108
Cd-112
Cd-114
Cd-116

Answer 1

Answer: Cd-112

Explanation: to find out the most abundant isotope, look at the weighted average on the periodic table. the one closest to it in mass is going to be the most abundant isotope. in this case, the weighted average of cadmium is 112.411, so the answer is Cd-112.