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Students use M&M’s (or pennies and puzzle pieces) to demonstrate the idea of radioactive decay.
Sign up for Re Actions™, the e-newsletter for educators that offers teaching ideas about nuclear science and technology.Carbon-14 has 2 more neutrons than carbon-12 and 1 more than carbon-13, both of which are stable.Carbon-14 is radioactive and undergoes radioactive decay.An example of isotopes is carbon, which has three main isotopes, carbon-12, carbon-13 and carbon-14.
All three isotopes have the same atomic number of 6, but have different numbers of neutrons.
It is published by the Center for Nuclear Science and Technology Information, an initiative of the American Nuclear Society, between September and May.