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isotopes chemistry

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isotopes chemistry

Post  gul bibi on Thu Apr 18, 2013 11:31 am

why some elements have 2 isotopes,some have 18? how testing prevailing theories bring about changes in them?

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Re: isotopes chemistry

Post  joemark on Wed Jul 24, 2013 6:58 am

Isotope is an atom which contains a different number of neutrons in its nucleus than some other atom of the same element.This means that different isotopes of an element will have different masses, since both the protons and the neutrons contribute about equally to the mass of an atom.

Know more about Isotopes at


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