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Half-life is the length of time required for half the atoms in a radioactive sample to decay to some other type of atom. It is a logarithmic process, i.e. in one half-life, there is half the sample left, in two half-lives there is one quarter the sample left, in three half-lives there is one eight left, etc. The equation is...

AT = A0 2 (-T/H)

... where A is activity, T is time, and H is half-life.

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The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called?

The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called the half-life of the radioactive element. It is a characteristic property of each radioactive isotope and can vary greatly among different elements.


How long will it take half of a radioactive sample to decay?

The time it takes for half of a radioactive sample to decay is known as the half-life. Each radioactive element has a unique half-life, which could range from fractions of a second to billions of years. The half-life remains constant regardless of the size of the initial sample.


What is the half life of radioisotope?

Half life is the time taken for approximately half of the available nuclei in a sample of radioactive material to decay into something else. It's a characteristic of the isotope, for example, the half life of the isotope of iodine, I131 is 8.08 days. Half lives can vary from fractions of a second to thousands of years.


A substance is the time required for half the atoms in a sample of a radioactive isotope to decay?

The time it takes for half the sample to decay is called the half-life.The time it takes for half the sample to decay is called the half-life.The time it takes for half the sample to decay is called the half-life.The time it takes for half the sample to decay is called the half-life.


Does uranium 238 have the shortest half life?

No, uranium-238 has a long half-life of about 4.5 billion years. It is a naturally occurring isotope that is commonly found in nature. Shorter-lived isotopes, such as radon-222 or polonium-214, have much shorter half-lives.

Related Questions

What is the time needed for half of a sample of a radioactive isotope to break down to form daughter isotopes called?

halflife


The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called?

The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called the half-life of the radioactive element. It is a characteristic property of each radioactive isotope and can vary greatly among different elements.


What is the time required for half of a sample of radioactive isotope to break down?

This time is called "half life" and is specific for each isotope.


The time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope.?

its called Half-Time...


How do you calculate the activity of a radioactive sample?

The activity of a radioactive sample is calculated using the formula: Activity = λ*N, where λ is the decay constant of the isotope and N is the number of radioactive nuclei present in the sample. The unit of activity is becquerel (Bq).


What is the time required for one-half of the nuclei of a radioisotope sample to decay to products?

This time is known as the half-life.


How does the length of the half-life of the element correspond to the radioactivity of the element?

The length of time required for half of a sample of radioactive material to decay


What is the required for half a sample of radioactive nuclei to decay called?

not sure you're asking exactly but I think the answer your looking for is radioactive half-life


How can one determine which isotope is most abundant in a given sample?

To determine the most abundant isotope in a sample, scientists use a technique called mass spectrometry. This method measures the mass-to-charge ratio of isotopes in the sample, allowing researchers to identify the isotope that appears in the highest abundance.


How long will it take half of a radioactive sample to decay?

The time it takes for half of a radioactive sample to decay is known as the half-life. Each radioactive element has a unique half-life, which could range from fractions of a second to billions of years. The half-life remains constant regardless of the size of the initial sample.


What is the half life of radioisotope?

Half life is the time taken for approximately half of the available nuclei in a sample of radioactive material to decay into something else. It's a characteristic of the isotope, for example, the half life of the isotope of iodine, I131 is 8.08 days. Half lives can vary from fractions of a second to thousands of years.


What does the half life of a radioisotope correspond to?

The length of time required for half of a sample of radioactive material to decay