I is for Isotope

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Okay, so isotopes, on the surface, may not be very exciting. Or interesting. Or sexy. But our world would be a very different place without them.
Elements are identified by the number of protons they have. Carbon (C) has six protons, hence its Atomic Number is 6. Isotopes are variants of a particular element that maintains the same number of protons, yet can vary in the number of neutrons in the nucleus of an atom.
Example: the element carbon (C) has six protons, yet individual carbon...