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1. The isotope 64Zn has a nuclear radius of 4.8 x 1015 m. Approximately what is the nuclear radius of the isotope 27Al?
a. 2.0 x 1015 mb. 2.7 x 1015 mc. 3.6 x 1015 md. 4.0 x 1015 m
2. The isotope 64Zn has a nuclear radius of 4.8 x 1015 m. Which of the following is the mass number of an isotope for which the nuclear radius is 7.2 x1015 m?
a. 144b. 96c. 125d. 216
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