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What fraction of the radioactive atoms currently present will be left after four minutes if a sample of gas has a half life of two minutes?
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∙ 13y ago
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∙ 14y ago
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∙ 13y agoA quarter
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How long is the half life of radioactive water?
The half life of radioactive water depends on what radioactive nuclides are present in the water.
What are the properties of radioactive decay?
Radioactive decay has the following properties: 1. No element can completely decay. 2. The number of atoms decaying in a particular period is proportional to the number of atoms present in the beginning of that period. 3. Estimate of radioactive decay can be made by half life and decay constant of a radioactive element.
What dangers does plutonium present?
Plutonium is very toxic, highly radioactive (alpha-emitter) and sometimes the criticality is a problem.
How much does it cost to remove cobalt?
The removal of cobalt can cost from a little to a lot, depending on what it is to be removed from and in what form it is present. A small block of it sitting on a table can be picked up and carried away. Powdered cobalt scattered in a deep-pile rug can present other problems. And this is non-radioactive cobalt. If the cobalt that needs to be removed is radioactive, there are a ton of complicated proceedures to do that. Sometimes things contaminated with radioactive material cannot be recovered and must be disposed of whole in a radioactive waste disposal site. Links are provided.
What period is the most present?
To know what period that is most present that you are wondering about, you would need to give options. Currently, we are in the Cenozoic Era, the Quaternary Period.
How long is the half life of radioactive water?
The half life of radioactive water depends on what radioactive nuclides are present in the water.
A certain ameba divides every 10 minutes what fraction of all amebas produced in a half-hour are present after 10 minutes?
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What is the difference between radioactive and non radioactive materials?
Radioactive substances are unstable as a result of the extra neutrons present in the nuclei of the substance. Non radioactive substances are stable.
What do you use to find absolute age through radioactive dating?
You measure the amount of radioactive decay that is present in certain elements that were present when the rock formed from melt.
What is the difference between a non-radioactive substance and a radioactive substance?
Radioactive substances are unstable as a result of the extra neutrons present in the nuclei of the substance. Non-radioactive substances are stable.
What is the radioactive decay law?
The rate of decay (activity) of a radioactive isotope is proportional to the number of atoms of the isotope present.
What is radioactive decay law?
The rate of decay (activity) of a radioactive isotope is proportional to the number of atoms of the isotope present.
Why is helium present in radioactive minerals?
heluim are 4 nucleide
Definition of disintegration constant?
The disintegration constant is the fraction of the number of atoms of a radioactive nuclide which decay in unit time; is the symbol for the decay constant in the equation N = Noe^-t, where No is the initial number of atoms present, and N is the number of atoms present after some time (t).
Radioactive materials are present everywhere true or false?
true :p
What is 59 in a fraction?
Question is meaningless in present form. 59 as a fraction of what? Or what as a fraction of 59?
What is it called when an unwanted material that contains radioactive atoms is present on another material?
Radioactive Contamination
