1. What is the long-range fate of all the uranium that exists in the world today? 2. What is meant by the half-life of a radioactive sample? 3. What is the half-life of uranium-238? 4. What happens to...

1. What is the long-range fate of all the uranium that exists in the world today?

2. What is meant by the half-life of a radioactive sample?

3. What is the half-life of uranium-238?

4. What happens to the uranium-235 nucleus when it is stretched out?