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

Complete the nuclear equation below:
(a) Q23Radioactivity4272020457.png
(b) The half-life of #overset 131 53 I# is 8 days. Determine the mass of #overset 131 53 I# remaining if 50 grammes decayed for 40 days.
(c) Give one harmful effect of radioisotopes.

 (2m 41s)
268 Views     SHARE