World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
Question
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Chapter 19, Problem 27A
Interpretation Introduction

Interpretation:The nuclide that is used in dating artifacts has to be given.

Concept introduction:A nuclide is a species of an atom characterized by a specific number of protons and neutrons.

Expert Solution & Answer
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Answer to Problem 27A

The nuclide that is used in dating artifacts is Carbon-14 (C614).

Explanation of Solution

A process for dating ancient articles made from wood or cloth is called as radiocarbon dating (or) carbon-14 dating. The nuclide that is used in dating artifacts is Carbon-14 (C614).

Radiocarbon dating is based on C614 that decays by production of β- particle.

  C614e10+N714

When neutrons of high energy from space collide with nitrogen-14, carbon-14 is produced in the atmosphere.

  N714+n01C614+H11

The half-life of C614 is 5,730 years.

Carbon-14 could be used to date wood and cloth artifacts because carbon-14 along with other isotopes of carbons reacts with oxygen to form carbon dioxide.

The age of artifact could be determined by comparing the ratio of carbon-14 to carbon-12 in an artifact to the ratio of carbon-14 to carbon-12 in the organism today. Radiocarbon dating could be used to give the approximate age of wood, cloth, bone, charcoal and other substances, which comprises of carbon.

Conclusion

Carbon-14 is the nuclide that is used to dating of artifact because it cannot be replenished after the death of an organism.

Chapter 19 Solutions

World of Chemistry, 3rd edition

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