A sample of a radioactive element has a mass of 80 g. How much parent and daughter materials are in the sample after two half-lives?
Answer
Answer:
20 g of parent material and 60 g of daughter material.

Question

A sample of a radioactive element has a mass of 80 g. How much parent and daughter materials are in the sample after two half-lives?

Revolt · Accepted Answer

20 g of parent material and 60 g of daughter material.

Absolute Ages of Rocks