• Forms of the same chemical element that differ only by the number of neutrons in their nucleus. Most elements have more than one naturally occurring isotope. Many isotopes have been produced in reactors and scientific laboratories.


    Isotopes meaning & definition 1 of Isotopes.


  • a form of an atom that has a different atomic weight from other forms of the same atom but the same chemical structure:

    Isotopes meaning & definition 2 of Isotopes.

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This page shows you usage and meanings of Isotopes around the world.