Complete the radioactive decay chain below. The arrows indicate the type of decay process. Vertical arrows correspond to alpha decay while diagonal arrows are for beta decay process. Write only the resulting nuclide formed after each decay process.

Explain each of the following in terms of nuclear stability or which is stable, support your answer) a. 84 Po 212decays by alpha emission b. Bi 214 decays by beta emission

Question 7 a) State the equation which describes how the number of nuclei of a certain radioisotope varies with time. the meanings of all the terms in the equation. b) Explain the exponential decay equation. 5.11

https://www.walter-fendt.de/html5/phen/decaychains_en.htm 1) Thorium series. Click on “next decay” to follow the decay chain of Thorium.a. Write down the full decay chain.b. How many alpha decays and how many beta decays are involved?2) Neptunium series. Click on “next decay” to follow the decay chain of Neptunium. What is the enddaughter nucleus for this decay chain?