Physics, 13.05.2021 01:00 sassy11111515

Gold-198 is a radioactive isotope, and it has a half-life of about 2.5 days. You have 100 grams of Gold-198. How many grams remain after 20 days?

3.125 grams
1.5625 grams
0.78125 grams
0.390625 grams

Answers: 2

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Gold-198 is a radioactive isotope, and it has a half-life of about 2.5 days. You have 100 grams of...