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The half-life of a radioactive isotope is the amount of time it takes for one-half of the radioactive isotope to decay. The half-life of a specific radioactive isotope is constant; it is unaffected by conditions and is independent of the initial amount of that isotope.
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What do isotope and half life have in common?
Each (unstable) isotope has a distinctive half-life.
Isotope A has half-life of seconds and isotope B has a half-life of millions of years which isotope is more radioactive?
Isotope A is more radioactive because it has a shorter half-life, indicating a faster rate of decay. A shorter half-life means that more of the isotope will undergo radioactive decay in a given time period compared to an isotope with a longer half-life.
Can the half life of a radioactive isotope decrease as the isotope decays?
No, the half-life of a radioactive isotope is a constant property of that particular isotope and does not change as it decays. The half-life is defined as the time it takes for half of the atoms in a sample to decay. Once set, the half-life remains constant regardless of how many atoms have decayed.
What is half life of a isotope?
The half life of an isotope refers to the rate at which a radioactive isotope undergoes radioactive decay. Specifically, it is the amount of time it takes for half of a given sample of a radioactive isotope to decay.
How much of an original isotope remains at the end of a second half-life?
At the end of a second half-life, one-fourth (25%) of the original isotope remains. This is because each half-life halves the amount of the isotope present.
What property of a radioactive isotope is the length of time it takes half of the nuclei to decay?
This is called the "half-life" of the isotope.
What is the time it takes for half of an isotope's atoms to decay?
The time it takes for half of an isotope's atoms to decay is called the half-life. It is a characteristic property of each isotope and can vary greatly depending on the specific isotope.
The half-life of an element is important for?
The half-life of an isotope is how long it takes for half of the atoms in a mass to undergo radioactive decay. Say you have 40g of an elements isotope with a half-life of one year. After 1 year, there would be 20g of that isotope left, and 20g of a different isotope/element. After 2 years, there would be 10g, and so on...
What is the half life of the radioactive isotope?
The half life is the period of time it takes radioactive decay to transmute one half of the isotope present at the start of the period to a different isotope, usually an isotope of a different element. This period of time is different for different isotopes, with known isotope half lives ranging from femtoseconds to many billions of years.
How can you determine if an isotope is stable?
Isotopes are considered stable if they do not undergo radioactive decay. This can be determined by measuring the isotope's half-life, which is the time it takes for half of the atoms in a sample to decay. If the half-life is long, the isotope is considered stable.
What is an isotope that the time it takes it to decay to half its original mass?
c.half-life
What is the time needed for half of a radioactive isotope to break down to form daughter isotope?
It's called "half life".
