Answers: 2
Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Austin is on a fishing trip. At first he rides his boat 15 km east. He doesn’t catch anything, so he...
Biology, 21.09.2020 01:01
Chemistry, 21.09.2020 01:01
Chemistry, 21.09.2020 01:01
Geography, 21.09.2020 01:01