Check the answers to your half-life homework here:Half Life Answer Key
Warm-Up Thursday March 19, 2015:
1. The half life of cesium-137 is 3.2 years. If the initial mass of a sample of cesium-137 is 1.0kg, how much will remain after 151 years?
2. A 64 g sample of germanium-66 is left undisturbed for 90 minutes. At the end of that period, only 2.0g remain. What is the half life of this material?
Tonight’s HW: Study for your test tomorrow and complete the review worksheet below!