Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 4 Chemistry: Radioactivity Questions and Answers

(a) 100g of radioactive #overset(233)(91)# Pa was reduced to 12.5g after 81 days. Determine the half-life of Pa.
(b)#overset (233)(91)# Pa decays by beta emission. What is the mass number and atomic number of the element formed?

 (9m 3s)
923 Views     SHARE