Introduction: Tearing paper graph First and Last Name: 8 1. Look at the diagram at the right. The half-life of each element is written in the box. What do you think each of these half-lives means? Half-Life Number 9 10 0 1 2 34567 Number of Radioactive Atoms 1024 B 82 83 84 85 86 87 88 87 88 89 90 91 92 Only main decays are shown Garnma emiters are not indicated 2214 B a Number of Radioactive Atoms B B 2. Calculate the number of radioactive atoms remaining after each half-life. Write the number of atoms in the "Number of Radioactive Atoms" column. Plot the number of radioactive atoms on the graph provided. Note that the number of unstable (radioactive) atoms decreases as they are being transformed into stable atoms. 1000 900 800 700 600 500 400 300 The Uranium-238 Decay Chain Atomic Number 200 ** 100 Element Non U-m Th-thonium 0 Half Life Day 1 Pa- Rin !!!!! 0 1 2 3 4 Hall-is units 5 6 7 8 9 10 Half-Life Number need to know how long the half-life of the sample in number 2 to know how many atoms w Did you be left? What did you need to know?

Introduction: Tearing paper graph First and Last Name: 8 1. Look at the diagram at the right. The half-life of each element is written in the box. What do you think each of these half-lives means? Half-Life Number 9 10 0 1 2 34567 Number of Radioactive Atoms 1024 B 82 83 84 85 86 87 88 87 88 89 90 91 92 Only main decays are shown Garnma emiters are not indicated 2214 B a Number of Radioactive Atoms B B 2. Calculate the number of radioactive atoms remaining after each half-life. Write the number of atoms in the "Number of Radioactive Atoms" column. Plot the number of radioactive atoms on the graph provided. Note that the number of unstable (radioactive) atoms decreases as they are being transformed into stable atoms. 1000 900 800 700 600 500 400 300 The Uranium-238 Decay Chain Atomic Number 200 ** 100 Element Non U-m Th-thonium 0 Half Life Day 1 Pa- Rin !!!!! 0 1 2 3 4 Hall-is units 5 6 7 8 9 10 Half-Life Number need to know how long the half-life of the sample in number 2 to know how many atoms w Did you be left? What did you need to know?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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