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any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties.
Source: Dictionary.com
isotopes | Define isotopes at Dictionary.com
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Isotopes are variants of a particular chemical element which differ in neutron number. All isotopes of a given element have the same number of protons in each ...


Coverage includes Albuquerque Isotopes tickets, scores, stats, news and more.


The Official Site of the Albuquerque Isotopes ... Schedule; Stats & Scores; Roster; Multimedia; News; Isotopes Park; Fan Zone; Community; Contact Us; Pro Shop.


isotope: one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical ...


Chem4Kids.com! This tutorial introduces the basics of isotopes. Other sections include matter, elements, the periodic table, reactions, and biochemistry.


There isn't any set number of isotopes an atom can have. As the number of neutrons in an atom increases or decreases, the isotopes tend to become more and ...


Kids learn about the science of isotopes in chemistry including naming isotopes, hydrogen, examples, fun facts, unstable, and stable.

Jan 7, 2012 ... To see all my Chemistry videos, check out http://socratic.org/chemistry We'll learn about what isotopes are and how to write atomic number and ...