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3 half-lives

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โˆ™ 2012-11-23 19:10:23
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How many half-lives have passed in a rock containing one eighth of the original radioactive material and seven eighths of the daughter product?
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What is an autoradiograph?

An autoradiograph is a photographic image produced by placing a film in contact with a specimen containing radioactive material.


What is the bullet in a fission reaction?

An electron is fired into the reactor core containing the radioactive material, usually uranium, and as it hits the radioactive nucleus the uranium atom breaks down forming two daughter nuclei and emitting another electron (beta radiation particle) which continues as a chain reaction.


What happens during nuclear fission?

An electron is fired into the reactor core containing the radioactive material, usually uranium, and as it hits the radioactive nucleus the uranium atom breaks down forming two daughter nuclei and emitting another electron (beta radiation particle) which continues as a chain reaction.


Can radioactive be recycled?

Yes, there are a number of uses for radioactive material. It depends on the type of radioactive material.


The DOT class for radioactive material?

The DOT class for radioactive material


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.


How do you convert radioactive material to non radioactive material?

you cannot convert radioactive material into nonradioactive material, you can only shield it, dilute it or place it at a safe distance.


What is an autoradiogram?

An autoradiogram is another word for an autoradiograph - a photograph image produced by placing a film in contact with a specimen containing radioactive material.


When a material goes through radioactive decay there is a new daughter product in the solid material so can this new daughter material react chemically with the rest of the solid matrix around it?

Yes, this new daughter is a different chemical element and will react differently chemically than the precursor element.


Where is radioactive material being stored?

the radioactive material is being stored in lead.


What happens to the decayed portion of a radioactive element after the element reached it's half life?

When a radioactive material undergoes radioactive decay, except spontaneous fission, a daughter product is formed. The daughter may or may not be radioactive. If it is, this daughter product begins its own evolution according to its decay scheme and its own half-life. Any daughter products from that decay event will either be stable or will decay according to how (un)stable the daughter is and what its half-life happens to be. The original radionuclide continues to decay in its own way. You can see a "dynamic" developing here. The fact that a radioactive material has a half-life doesn't speak to what happens to the material or to its daughter products. It is only a measure of the rate of decay of a material. Radioactive materials decay according to what they are, and their daughter products will, if they are not stable, undergo decay as well, each according to its own decay scheme. The half-life only puts a timeline on things. And it (the half-life idea) must be applied to each unstable daughter. A consequence of radioactive decay and inspection of the daughter products allows us to use radioactive decay schemes to date materials. There are a number of radionuclides that are useful in doing this, and the decay schemes are well known. We understand the decay rates of the original material and also its daughters, and by counting all of them, we can "rewind time" to the period when they were isolated and state with good accuracy when the material was sequestered. Different methods of dating materials might be applied, depending on the material and its age.


What are the physical characteristics of radioactive material?

- a radioactive material emit nuclear radiations as alpha, beta, gamma, neutrons - a radioactive material disintegrate in time

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