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Which of the selections below give an example of an allotrope? carbon dioxide and oxygen gold and silver carbon nanotube and graphite O gasoline and soot Diamond and methane

Which of the selections below give an example of an allotrope? carbon dioxide and oxygen gold and silver carbon nanotube and graphite O gasoline and soot Diamond and methane

Chemistry
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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### Allotropes in Chemistry **Question:** Which of the selections below give an example of an allotrope? **Options:** - O carbon dioxide and oxygen - O gold and silver - O carbon nanotube and graphite - O gasoline and soot - O diamond and methane ### Understanding Allotropes Allotropes are different structural forms of the same element in the same physical state. Typically, they exhibit distinct physical and chemical properties. Here, analyzing which pairs qualify as examples of allotropes becomes a test of recognizing these differences. **Explanation of Options:** 1. **Carbon dioxide and oxygen:** - These are two distinct chemical compounds and elements, not different structural forms of a single element. 2. **Gold and silver:** - Gold and silver are two separate elements and do not represent different structural forms of the same element. 3. **Carbon nanotube and graphite:** - Both are structural forms of carbon, with carbon nanotubes and graphite having different atomic arrangements and properties. These are indeed examples of allotropes of carbon. 4. **Gasoline and soot:** - Gasoline is a mixture of hydrocarbons, whereas soot is an impure form of carbon. These do not represent different forms of one element. 5. **Diamond and methane:** - Diamond is a crystalline form of carbon, while methane is a hydrocarbon (CH₄), containing carbon and hydrogen. Therefore, they are not examples of allotropes. **Correct Answer:** - O carbon nanotube and graphite
Transcribed Image Text:### Allotropes in Chemistry **Question:** Which of the selections below give an example of an allotrope? **Options:** - O carbon dioxide and oxygen - O gold and silver - O carbon nanotube and graphite - O gasoline and soot - O diamond and methane ### Understanding Allotropes Allotropes are different structural forms of the same element in the same physical state. Typically, they exhibit distinct physical and chemical properties. Here, analyzing which pairs qualify as examples of allotropes becomes a test of recognizing these differences. **Explanation of Options:** 1. **Carbon dioxide and oxygen:** - These are two distinct chemical compounds and elements, not different structural forms of a single element. 2. **Gold and silver:** - Gold and silver are two separate elements and do not represent different structural forms of the same element. 3. **Carbon nanotube and graphite:** - Both are structural forms of carbon, with carbon nanotubes and graphite having different atomic arrangements and properties. These are indeed examples of allotropes of carbon. 4. **Gasoline and soot:** - Gasoline is a mixture of hydrocarbons, whereas soot is an impure form of carbon. These do not represent different forms of one element. 5. **Diamond and methane:** - Diamond is a crystalline form of carbon, while methane is a hydrocarbon (CH₄), containing carbon and hydrogen. Therefore, they are not examples of allotropes. **Correct Answer:** - O carbon nanotube and graphite
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