Question

The Gadolinium - 153 is used to diagnose
osteoporosis. Its half life is 242 days.
After how many
days disappear this element
from the body of patient?

Answer 1

Answer:

500days

Explanation:

The radioactive clement will not completely disappear from the body of a patient after infinite time too, because it takes a very long time period to convert a radioactive element, completely in non-radioactive elements, because after 500 days which is a half-life of the given radioactive substance only half of the total amount will convert in its isotope. The remaining substance will again take the period of half-life to convert its half of the portion and so on