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The Half-Life of a Radioactive Isotope Is 6

Question 7

Multiple Choice

The half-life of a radioactive isotope is 6.5 h.If there are initially 48 *1032 atoms of this isotope, the number of atoms of this isotope remaining after 26 h is:


A) 12 * 1032
B) 6 * 1032
C) 3 * 1032
D) 6 * 104
E) 3 * 102

Correct Answer:

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