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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 much sample of 10g of tritium with half life of 12.32 after 2 half lives?
After 2 half-lives (two half-lives of tritium is 12.32 x 2 = 24.64 years), the initial 10g sample of tritium would have decayed by half to 5g.
How much thorium-234 will remain after 2 half lives?
After 2 half-lives, 25% of the original amount of thorium-234 will remain. This is because half of the substance decays in each half-life period.
How much iodine has decay if 5 half lives have passed?
After 5 half-lives, 31.25% of the original iodine remains, meaning 68.75% has decayed. Each half-life reduces the amount of the original substance by half, so after 5 half-lives, the remaining fraction is ( \left(\frac{1}{2}\right)^5 = \frac{1}{32} ). Therefore, the decay percentage is calculated as ( 1 - \frac{1}{32} = \frac{31}{32} ), which is approximately 96.875%.
The amount of material left after two half-lives is one-half of the original amount?
After two half-lives, only one-fourth (1/2 * 1/2 = 1/4) of the original material remains. Each half-life reduces the amount by half, so after two half-lives, the remaining material is one-fourth of the original amount.
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 sample remains after 5 half-lives?
After 5 half-lives, 3.125% (or 1/2^5) of a radioactive sample remains. Each half-life reduces the sample by half, so after 5 half-lives, there is only a small fraction of the original sample remaining.
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%
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 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 of a radioactive element will remain after seven half lives?
After seven half lives, approximately 0.78125% (1/2^7) of the original radioactive element will remain. This can be calculated by repeatedly halving the remaining amount after each half life.
How much sample of 10g of tritium with half life of 12.32 after 2 half lives?
After 2 half-lives (two half-lives of tritium is 12.32 x 2 = 24.64 years), the initial 10g sample of tritium would have decayed by half to 5g.
What percentage is one half?
As a percentage 1/2 = 50%
What is 2 and a half as a percentage?
250%
What percentage is half of a half?
Half of a half is equivalent to 1/2 * 1/2, which equals 1/4. To convert this fraction to a percentage, you multiply by 100. Therefore, half of a half is 25%.
How long does it take for this radioactive material to decay through 2 half-lives?
It will take twice the half-life of the radioactive material for it to decay through two half-lives. If the half-life is 1 hour, it will take 2 hours for the material to decay through 2 half-lives.
