Question:
The half-life of Lead-210 is 22.2 years.. If a sample has
Last updated: 7/14/2022
The half-life of Lead-210 is 22.2 years.. If a sample has 228 mg of Lead-210, how long will it take to have 7 mg or less amount of Lead-210 in the sample? In the ANSWER BOX write the answer in one decimal point. Please DO NOT write the unit.