A particular radioactive isotope decays from 200 milligrams (mg) to 178 mg in 9 days. Find the half life of the isotope.?
1 Answer
Jan 26, 2018
The half life is
Explanation:
The initial mass is
The mass after
The equation for the radioactive decay is
Where the radioactive constant is
Therefore,
But,
The half life is
So,