- 2 The Activity Of A Certain Radionuclide Isotope Decreases To 21 Percent Of Its Original Value In 30 Hrs The Half Life 1 (54.65 KiB) Viewed 22 times
2. The activity of a certain radionuclide isotope decreases to 21 percent of its original value in 30 hrs. The half-life
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2. The activity of a certain radionuclide isotope decreases to 21 percent of its original value in 30 hrs. The half-life
2. The activity of a certain radionuclide isotope decreases to 21 percent of its original value in 30 hrs. The half-life of this isotope is: O 14.5 O 13.5 O 14 O 13 O Other: