Plutonium oxide, used to power the Cassini space-probe to Saturn, was stored in corrosion resistant materials designed to contain fuel for 10 half-lives, or 870 years. (a) Calculate the half-life of Pu-238 from the supplied data. (b) The Cassini batteries contained 33 kg of Pu-238 in the form of plutonium dioxide. How many grams of Pu-238 will remain after 870 years?

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.