fatin
This page lists questions and answers that were posted by visitors named fatin.
Questions
The following questions were asked by visitors named fatin.
What is the half-life of an isotope if it decays to 12.5% of its radioactivity in 18 minutes?
15 years ago
Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If you begin with 36.6 mg of this isotope, what mass remains after 190 hours have passed?
15 years ago
show that the weight of an object on moon is one-sixth of its weight on the earth given mass of earth=5.98*10power24kg, radius of earth=6.37*10power6m. given mass of moon=7.36*10power22kg, radius of moon=1.74*10power6m.
10 years ago
Answers
The following answers were posted by visitors named fatin.