Chemistry

1After 12 hours, 1/16 of a radioactive sample remains. What is its half-life?

2The half-life of an isotope depends on temperature.

3The most penetrating radiation is

4Ghana has a research reactor at Kwabenya (GAEC).

5After 16 hours, 1/4 of a radioactive sample remains. What is its half-life?

6The splitting of a heavy nucleus into two lighter nuclei is called nuclear ___.

7Nuclear fusion is

8After 2 half-lives, the fraction of a radioactive sample remaining is ___.

9After 10 hours, 1/4 of a radioactive sample remains. What is its half-life?

10After 1 half-life, the fraction of a radioactive sample remaining is ___.