Radon-222 a radioactive gas, undergoes alpha decay. (a) What is the daughter nucleus in this process? (b) The daughter nucleus undergoes both beta and alpha decay. What is the "granddaughter" nucleus...

Radon-222 a radioactive gas, undergoes alpha decay. (a) What is the daughter nucleus in this process? (b) The daughter nucleus undergoes both beta and alpha decay. What is the "granddaughter" nucleus in each case?