A certain radioactive element undergoes a sequence of four radioactive decay steps, in the order alpha, beta, beta, and alpha emissions, and transforms into Rn-220. Identify the initial and intermediate isotopes (Hint: Work backwards) d. 220 86 Rn + He + -je + -je + He

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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.