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Posted: **Sun Jul 10, 2022 4:07 pm**

: Question 17 Of 24 The Half Lives Of Different Radioisotopes Are Given In The Table Half Life Min 12 37 22 43 Radioi 1 (28.74 KiB) Viewed 26 times

: Question 17 Of 24 The Half Lives Of Different Radioisotopes Are Given In The Table Half Life Min 12 37 22 43 Radioi 2 (18.04 KiB) Viewed 26 times

Question 17 of 24 > The half-lives of different radioisotopes are given in the table. Half-life (min) 12 37 22 43 Radioisotope argon-44 lead-196 mass: potassium-44 indium-117 If the initial amount of lead-196 is 4.8 g, how much lead-196 is left in the body after 74 min? 1.5 Incorrect 8 Attempt 1
Question 19 of 24 > What is the half-life of an isotope that decays to 12.5% of its original activity in 31.5 h? half-life: 33 Incorrect Attempt 1 h