Isotope used in carbon dating

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Carbon is one of the chemical elements. Along with hydrogen, nitrogen, oxygen, phosphorus, and sulfur, carbon is a building block of biochemical molecules ranging from fats, proteins, and carbohydrates to active substances such as hormones. All carbon atoms have a nucleus containing six protons. Ninety-nine percent of these also contain six neutrons.

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Despite the name, it does not give an absolute date of organic material - but an approximate age, usually within a range of a few years either way.

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Carbonwhich is radioactive, is the isotope used in radiocarbon dating and radiolabeling. Another isotope, carbon, is useful in studying abnormalities of metabolism that underlie diabetes mellitus, gout, anemia, and acromegaly. Radioactive isotopes of carbon 14 C and phosphorus 32 P have been valuable in identifying the intermediate compounds formed during carbon assimilation.

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