Chemistry, 20.11.2021 14:00 Nolanrdavis
A radioactive substance has a half-life of 5,000 years. If the original sample contained 20 grams of the radioactive isotope, how much remains after 5,000 years have elapsed
Answers: 3
A radioactive substance has a half-life of 5,000 years. If the original sample contained 20 grams of...
Biology, 23.04.2021 18:50
Mathematics, 23.04.2021 18:50
English, 23.04.2021 18:50
Mathematics, 23.04.2021 18:50