Question #a7d58

1 Answer
Jul 22, 2015

Answer:

Radon

Explanation:

Radium is a decay product of Uranium. As Radium is still highly radioactive it further decays into Radon.

This is what the decay chain of uranium-238 looks like

http://www.physics-experiments.com/

Notice that about half way down the chain, radium-226 decays into radon-222 via Alpha decay.

http://glencoe.mheducation.com/sites/007874637x/student_view0/chapter10/section2/self_check_quizzes.html