Question 21 1 pts A certain radioactive substance has a half life of 13.86 years. What is its decay constant? O 1.44 0.6
Posted: Sun May 22, 2022 9:28 am
Question 21 1 pts A certain radioactive substance has a half life of 13.86 years. What is its decay constant? O 1.44 0.69 0.5 O 0.05 Question 22 1 pts Uranium 238 decays into thorium via an alpha decay. Which of the following is the correct reaction? 92U A 238 239Th + iB B. 920 → 233th + iB 238 C. 90Th + za 92U 238 236 D. 32Th + za 238