3 12 P is a radioactive isotope with a half-life of 14.3 days. If you currently have 86,7 g of sp, how much ?p was prese
Posted: Wed Apr 27, 2022 7:02 am
3 12 P is a radioactive isotope with a half-life of 14.3 days. If you currently have 86,7 g of sp, how much ?p was present 8.00 days ago? 명