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

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12y ago
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Q: What is the required for half a sample of radioactive nuclei to decay called?
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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 half-life


The time it takes for half of the radioactive element to decay is the element's what?

The time it takes for half the atoms in a sample of a radioactive element to decay is called the half life.


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


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...


What is the amount of time that is required for half of the radioactive atoms in a sample to decay?

It's called the half-life.


What happens to a radioactive material over time?

It disintegrates into its daughter nuclei that are much more stabler than the radioactive nuclei. If a sample of radioacictive material is left it will decay into another element over a period of time. Note that complete decay is not possible. A fraction of the original radioactive material will always remain in the sample.


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.


Length of time required for half of the radioactive atoms in a sample to decay is its?

This is its half-life.


The time required for half the atoms in a sample of a radioactive nuclide to undergo decay?

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


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.


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.