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After 6 half-lives What percentage of a radioactive sample remain?
After 6 half lives, the remaining will be (1/2)6 i.e 1/64 th of the initial amount. Hence by percentage it would be 1.5625 %
How is the half life of an isotope defined?
A half-life is the time taken for the radioactivity of a material to fall to half its original value. A material can undergo infinite half-lives because each time it falls to half the next half-life falls to half of that half: No half-lives have elapsed when radioactivity is at the original amount; 1/1. 1 half-life is when radioactivity is at 1/2 2 half-lives is when radioactivity is at 1/4. 3 half-lives is when radioactivity is at 1/8. 4 half-lives is when radioactivity is at 1/16. And so on.
The amount of material left after two half-lives is one-half of the original amount?
I think that by common logic if you have 2 half lives it would make a whole so only half of that whole would be 1 half life right i am not the best with atoms or nuclei.
What fraction of a radioactive sample remains after one half-life?
Half of the original sample of a radio isotope remains after a half-life period. After two half-life periods, one-fourth of the radio isotope remains.
How many half-lives have carbon gone through if 37245 years have passed and one half-life for carbon is 5730 years?
6.5 half-lives.
After 6 half-lives What percentage of a radioactive sample remain?
After 6 half lives, the remaining will be (1/2)6 i.e 1/64 th of the initial amount. Hence by percentage it would be 1.5625 %
What percentage of a radioactive element will be left after 1 half-life?
Half life is pretty much self explanatory in that after they go through 1 half life half of the radioactive decay remains. 1/2 x 1/2 x 1/2 = 1/8 = 0.125 = 12.5% or you can divide 100% by 2, 3 times and you'll get 12.5%
What percentage of a radioactive sample remains after 5 half-lives?
3.1 %
How do you say 1 half in percentage?
1 half in percentage = 1/2% (one-half percent)
What is the percentage of radioactive nuclei left after 3 half-lives have passed?
12.5%
What percentage of a radioactive species would be found as daughter material after seven half lives?
The equation for half-life is AT = A0 2 (-T / H) where A0 is the starting activity, AT is the activity at some time T, and H is half-life in units of T. As a result, seven half-lives would be 2(-7) or 0.0078125 of the original activity.
What is the equivalent percentage of half of 1?
equivalent percentage of half of 1 = 50% half of 1 = 1/2 * 1 = 1/2 1/2 * 100% = 50%
What percentage is one half?
As a percentage 1/2 = 50%
What is 2 and a half as a percentage?
250%
What the percentage for the fraction half?
the percentage for the fraction 1/2 is 50%.
0.5 in a percentage?
if 0.5 is half then as a percentage- 50% and as a fraction- 1/2
How many half-lives have passed if 12.5 of a radioactive sample are left?
3 At the end of the first half life, there will theoretically be 50% remaining. 2 half lives: 25% 3 half lives:12.5 %
