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

Processing. Please wait.

Complete the nuclear equation below:
(a)
(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.