What+is+A+Isotope?

=__ **What is a Isotope? ** __=

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A isotope are atoms with the same element that have the same numbers of protons and electrons but different numbers of neutrons. Each elements has isotopes. Isotopes have "preferred" combination of neutrons and protons. Atoms with a not many neutrons, can sometimes exist for a while, but they're known to be unstable. ======

There's also one hydrogen isotope that has one proton and one neutron and they are called Deuterium.
http://www2.ignatius.edu/faculty/decarlo/SurfacePower/Images/Isotopes.PNG

Carbon - carbon usually has 6 protons and 6 neutrons but another isotope is Carbon 14 which has 8 neutrons and it's radioactive.
Dubson, Michael. "Science Trek." //Isotopes//. Colorado University, Web. 1 Jan. .