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Question 1 Thorium, a rare element in the earth's crust, has over seven radioactive isotopes. Of of these 27Th has a hal
Posted: Tue May 17, 2022 8:23 am
by answerhappygod
- Question 1 Thorium A Rare Element In The Earth S Crust Has Over Seven Radioactive Isotopes Of Of These 27th Has A Hal 1 (23.13 KiB) Viewed 37 times
Question 1 Thorium, a rare element in the earth's crust, has over seven radioactive isotopes. Of of these 27Th has a half-life of 18.68 days. 00 Type numbers in the boxes. Part 15 points Part 2: 8 points w Part 3: 8 points 21 points Calculate the decay constant. d What percent of Th-227 will be left after 43 days? % When 0.355 % is left, how much time has passed? days