Half life of a radioactive sample is 2x years. What fraction of this sample will stay undecayed af...

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.^(90)Sr decays to .^(90)Y by beta decay with a half-life that 28 years. .^(90)Y decays through beta -to .^...
beta - fifty percent age of dried tritium is 12.5 years. What fraction of a sample the tritium will remain undis...
Tritium has a half-life that 12.5 years. What fraction of the sample will remain undecayed ~ 50 ye...
A sample of ._(38)^(90)Sr has an task of 0.5 mCi. What is its certain activity? ( t_(1//2) that ....
.^(90)Sr shows beta activity and its half life period os 28 years. What is the task of a sample ...
The half life of Ra is 1600 years. The fraction of a sample of Ra that would continue to be after 6400 years...
Radium has a half-life of 1600 years. The fraction of a sample that radium the will remain after 6400...
Radium has actually a half-life that 1600 years. The portion of a sample the radium that will stay after 6400...
The half-life duration of radium is 1600 years. The fraction of a sample that radium the would continue to be a...
The half-life period of radium is 1600 years. The portion of a sample that radium the would remain a...
The fifty percent life that Ra is 1600 years. The portion of a sample that Ra that would continue to be after 6400 years...
During atom explosion , one of the assets is ""^(90)Sr with fifty percent -life the 28.1 years. If 1 mu g...
Tritium has fifty percent life that 12.5 years undergoing beta decay. What fraction of sample of tritium will r...
Tritium has a fifty percent life that 12.5 years against beta decay. What fraction of a sample the pure tritium ...
Tritium has half life of 12.5 years undergoing beta decay. What fraction of sample that tritium will r...
beta - half age that tritium by decay is 12.5 years. After ~ 25 years, what portion of a sample the pure...
Tritium has actually a half life of 12.5 years against beta decay. What portion of a sample of pure tritium ...
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Which fraction of an initial 20.00-gram sample of nitrogen-16 continues to be unchanged after ~ 35.65 second...
Which fraction of an original 20.00-gram sample of nitrogen-16 stays unchanged ~ 35.65 second...
identify the time required for an initial 24.0-gram sample that sr-94 to degeneration until just 1.5 grams...
A radiation isotope has a half-life of 2.5 years. Which portion of the initial mass remains unc...
after ~ 62.0 hrs , 1.0 g stays unchanged native a sample of 42K . Exactly how much 42K was in the original ...
identify the fraction of an original sample of Co-60 that will stay unchanged ~ 26.35 years ...
An initial sample that K-40 has actually a fixed of 25.00 grams. After ~ 3.9 m 109 years, 3.125 grams that the ori...
Scandium47 has actually a half-life of 35s. Mean you have a 45g sample the scadium 47 exactly how much of the samp...
~ decaying because that 48 hours, l/16 that the initial mass of a radioisotope sample stays unchanged. ...
After decaying for 48 hours,1/16 the the original mass that a radioisotope sample stays unchanged. Wh...

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What portion of strontium-90 continues to be in a sample after three half-lives have passed? 12.5% 15%...