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Half life

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The time it takes for half of a radioactive substance to decay is known as the half-life of the substance. It is a fixed characteristic of a particular radioactive material and varies depending on the specific isotope.

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Q: What is the time it takes for half of a raioactive substance to decay?
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The Time it takes for one half of the substance to decay into another substance?

This is known as the half-life of the substance. It represents the time it takes for the concentration of the original substance to reduce by half through decay. The half-life is a characteristic property of each radioactive substance.


What does the half life of a radioactive substance indicate?

It indicates how long it takes for the material to decay.


Does half-life mean half of somethings lifespan?

In the context of radioactive decay, half-life refers to the time it takes for half of the atoms in a radioactive substance to decay. It does not necessarily reflect the entire lifespan of that substance.


How is radioactivity and half life related?

Radioactivity is the process by which unstable atomic nuclei release energy in the form of radiation. Half-life is the time it takes for half of a radioactive substance to decay. The concept of half-life is used to measure the rate at which a radioactive substance decays and is a key parameter in understanding and monitoring radioactivity.


30 gram of a radioactive substance that has a half-life of 2 days after 2 days how much will be left?

With radioactive decay, predicting when any individual atom will decay is nearly impossible. However, when a lot a particles are present, then it is possible to get a general idea of how much will decay in a certain period of time. The half-life is this measurement, and it is the time that it takes for one halfof the substance to decay. Hence half-life or how long it takes for half to "die".For any size sample of a substance, the half-life is how long it takes for half to be left, so for a substance with a half-life of 2 days, half of the substance will decay in two days. Therefore your answer is simply half of 30g which is 15g.Additional reading: http://simple.wikipedia.org/wiki/Radioactive_decay

Related questions

The Time it takes for one half of the substance to decay into another substance?

This is known as the half-life of the substance. It represents the time it takes for the concentration of the original substance to reduce by half through decay. The half-life is a characteristic property of each radioactive substance.


What do we call the time it takes for half of a radioactive sample to decay?

The time it takes for half of a sample to decay is called the "half-life" of the corresponding material.


What does a half life of a radioactive substance indicate?

It indicates how long it takes for the material to decay.


What does the half life of a radioactive substance indicate?

It indicates how long it takes for the material to decay.


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

Half-life is the time required for half of the atoms in a sample of a radioactive isotope to decay. This concept is important in understanding the rate of decay of radioactive materials and is used in various fields such as nuclear physics and radiocarbon dating.


Does half-life mean half of somethings lifespan?

In the context of radioactive decay, half-life refers to the time it takes for half of the atoms in a radioactive substance to decay. It does not necessarily reflect the entire lifespan of that substance.


How is radioactivity and half life related?

Radioactivity is the process by which unstable atomic nuclei release energy in the form of radiation. Half-life is the time it takes for half of a radioactive substance to decay. The concept of half-life is used to measure the rate at which a radioactive substance decays and is a key parameter in understanding and monitoring radioactivity.


Half of the total amount of time it takes for all of a radioactive substance to decay is called the halflife of the substance?

okay


What is plasma decay?

Plasma decay refers to the time that it takes for the concentration in blood plasma of a substance to reach one-half of its steady-state value. This is also referred to as the plasma half-life.


What is a half-life of radioactive substance if it takes 6 hours for 50 percent of it to decay?

6 hours. you have a hot one there!


Best definition of half-life for a radioactive substance?

The half-life of a radioactive substance is the time it takes for half of the atoms in a sample to decay. It is a constant characteristic of each radioactive isotope. After one half-life, half of the original substance will remain, and the other half will have decayed into other elements.


30 gram of a radioactive substance that has a half-life of 2 days after 2 days how much will be left?

With radioactive decay, predicting when any individual atom will decay is nearly impossible. However, when a lot a particles are present, then it is possible to get a general idea of how much will decay in a certain period of time. The half-life is this measurement, and it is the time that it takes for one halfof the substance to decay. Hence half-life or how long it takes for half to "die".For any size sample of a substance, the half-life is how long it takes for half to be left, so for a substance with a half-life of 2 days, half of the substance will decay in two days. Therefore your answer is simply half of 30g which is 15g.Additional reading: http://simple.wikipedia.org/wiki/Radioactive_decay