Isotope1 - natural vs. synthetic compound s black market...

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Isotopes isotopes : mass number varies for atoms of a given element 3 isotopes have different physical properties, but are chemically almost identical some isotopes are common; others are unstable and are very rare Table: Isotopes of carbon isotope natural isotopic abundance carbon-12 98.89% carbon-13 1.11% carbon-14 trace carbon-15 nil carbon-16 nil isotopic abundance o abundances are "fingerprints" that can be used to trace source of samples
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Unformatted text preview: natural vs. synthetic compound s black market fissionable materials objects of extraterres trial origin age of objects • isotopic mass o is NOT exactly equal to the total mass of nucleons total mass of nucleons = isotopic mass + mass defect o consequence: you can't calculate isotopic mass precisely from M, Z, and the nucleon masses o isotopic masses must be determined experimentally...
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Isotope1 - natural vs. synthetic compound s black market...

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