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A Radioactive Isotope Has a Half-Life of One Month

Question 47

Multiple Choice

A radioactive isotope has a half-life of one month. At the end of one month, the amount of the original isotope still remaining is


A) none,
B) one-quarter,
C) one-half,
D) three-fourths,
And at the end of two months, the amount of original isotope remaining is
E) none.
F) one-fourth.
G) one-half.
H) three-fourths.

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