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Carbon-14 (C-14) is a rare isotope of carbon produced in the upper atmosphere when a cosmic ray strikes an atom of nitrogen. Carbon-14 is radioactive undergoing beta decay to nitrogen-14 with a halflife of 5570 years. Because it is produced at a near constant rate and living organisms maintain the same percentage of it as is present in the atmosphere while they are alive, but after an organism dies it can no longer equalize the amount of the carbon-14 in its tissues, this isotope's decay can be used as a "clock" to measure the time since the organism died.

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Related Questions

What are the release dates for C14 - 2013?

C14 - 2013 was released on: USA: 30 October 2013 (limited)


What formulas will give you the total value of a series of numbers displayed in column C from C1 to C14?

The simplest and best way is: =SUM(C1:C14)


C14 bouble barrel shot gun?

Yes.


What half-life of C14 is 5730 years. What fraction of the original C14 would you expect to be present in a fossil that is 28650 years old?

1/32 of the original amount.


The half-life of C14 is 5730 years. What fraction of the original C14 would you expect to be present in a fossil that is 28650 years old?

There would be 1/32 left.


What is the difference between c 12 and c 14?

C12 and C14 are isotopes of the Element Carbon. C12 is the most abundant of all which is 99% of all the Carbon on earth while C14 is only 0.0000000001% (trace amount). C12 has a Atomic Number of 12. It has 6 Protons and 6 Neutrons. C14 has a Atomic Number of 14. It has 6 Protons and 8 Neutrons. C14 is radioactive in nature. It is used for carbon dating.


What type of cell reference is C14?

It is a relative cell reference.


What is the daughter product of the nuclear decay equation of C14?

N14


What actors and actresses appeared in C14 - 2013?

The cast of C14 - 2013 includes: Dustin Bacon as Random Guy Craig Bouwens as Zombie 2 David Scott Diaz as David


What fraction of the original c14 would you expect to be present in a fossil that is twenty eight thousand six hundred and fifty years old?

The half-life of C14 is 5730 years so the given period is 5 half-lives. You should, therefore, expect approx 2-5 = 0.03125 of the original C14 to remain.


How many isotopes dose c have?

3 - c12, c13 and c14


How is the presence of c14 in dinosaur bones explained by scientists?

Scientists explain the presence of C14 in dinosaur bones as contamination from modern sources, such as bacteria or groundwater, rather than indicating a recent age for the bones.