6. 7. CHEM 132 Radioactivity and Half-Life Post-Lab Problems Why do the counts per minute fall off as the distance of th

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6 7 Chem 132 Radioactivity And Half Life Post Lab Problems Why Do The Counts Per Minute Fall Off As The Distance Of Th 1 (31.56 KiB) Viewed 59 times

6. 7. CHEM 132 Radioactivity and Half-Life Post-Lab Problems Why do the counts per minute fall off as the distance of the source to the Geiger tube increases? 1. 2. 3. Name: 5. Of the three types of radiation studied in this experiment, which type of radiation is easiest to shield against and why? Answer in complete sentences. Which form of radiation falls off most rapidly with distance? Which one falls off least rapidly? What can you conclude about the emission energies for the substances observed in this experiment? Answer in complete sentences. Which is the most difficult the shield against and why? Answer in complete sentences. What is the half-life of an isotope if 436 seconds are required for the number of cpm to dimini from 14,227 to 367? Show your calculations.