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2,000 years. cheating for your exam on virtual school?

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One quarter of what you started with.

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Q: If half life of an unstable isotope is 10000 years and only 1 8 of radioactive parent remains in a sample how old is the sample?
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Related questions

. If the half-life of an unstable isotope is 10000 years and only 18 of the radioactive parent remains in a sample how old is the sample?

30,000


What is the processes where an unstable parent isotope becomes a stable daughter isotope called?

Succesive radioactive disintegrations in a radioactive series.


Is it true that a stable radioactive isotope called the parent will decay and form daughter products?

1. All the radioactive isotopes are unstable ! 2. Yes, it is true, the parent isotope (radioactive and unstable) decay and form daughter products.


What is the stable produced by the radioactive decay of a parent isotope?

daughter isotope


What is the stable isotope that is formed by the breakdown of a radioactive isotope?

That's called a daughter isotope, or a daughter product. (The original isotope that decayed is the parent isotope.)


What is the similarity of radioactive isotope and radioactive dating?

Radioactive isotopes are used for radioactive dating. For example, you would use radioactive isotope Carbon-14 to date anything under 70,000 years that was once living. Radioactive isotopes decay from their parent isotope to daughter isotope at a constant rate (under any circumstances). The rate at which a parent isotope decays to its daughter isotope is considered one half life. Carbon-14 has a half life of 5730 years and its daughter isotope is Nitrogen-14. In order to determine how old something is you have to find out how much of the parent isotope is present in relation to the daughter.


What is the definition of a parent isotope?

according to google XD, this is the radioactive atom that decays to product a daughter isotope


As radioactive uranium decay it turns into what stable element?

Heavy radioactive elements (parent nuclei) decay to form daughter products that are as varied in number as the parents. Each heavy element has its own daughter.To find the decay mode and end products of the radioactive decay for a given isotope, use a Table of Nuclides. A link is provided to the interactive chart posted by the National Nuclear Data Center at the Brookhaven National Laboratory.The final stable element formed by all radioactive decay is lead (element number 82).


Is a parent isotope more radioactive then a daughter isotope?

The daughter isotope is the result of the radioactive disintegration of the parent isotope. For example radium is a product of the uranium disintegration.The two isotopes have different chemical (different atomic numbers, etc.), physical and nuclear properties.


What is the difference between the parent isotope and the daughter isotope?

The daughter isotope is the result of the radioactive disintegration of the parent isotope. For example radium is a product of the uranium disintegration.The two isotopes have different chemical (different atomic numbers, etc.), physical and nuclear properties.


Is the parent isotope always radioactive In a nuclear equation?

No, the parent in the nuclear equation is not always radioactive. For example, the following reaction shows a neutron capture by 23Na, which is not radioactive. 1123Na + 01n --> 1124Na where 01n is a neutron.


Explain how radiometric dating is used to estimate absolute age?

Radiometric dating is based on the principle that certain isotopes decay at a constant rate over time. By measuring the ratio of parent isotopes to daughter isotopes in a rock sample, scientists can calculate how much time has passed since the rock formed. This method provides an accurate estimate of the absolute age of the rock or fossil.