What is the half-life of Candium? (i. e., What number of shakes are necessary to reduce the radioactive members to one-half?)

Half-life is the length of time required for one half of an isotope to decay.

Explanation:

In the following experiment, half-life of candium is 10 seconds. At the end of the activity, 1/4th of the sample remained and 3/4th got decayed. The decay of radioactive elements occurs at a fixed rate.

1. If you place 50 atoms of candium (candy) in the bag.

2. Then after sealing the bag, shake it for 10 seconds.

3. Gently take out the candy.

4. The number of candies with the print side up are the atoms which are decayed. And keep the pieces with printed side down back in the bag.

5. Continue this activity until all the atoms have decayed.

Thus, in this activity, half-time is 10 seconds as we shook the bag for 10 seconds.