Chapter 2 Homework - Name: _ Chapter 2 Homework 1. The text...

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Chapter 2 Homework 1. The text states that the odor of ozone can be detected in concentrations as low as 10ppb. Will you be able to detect the odor of ozone in any of these air samples? a. 0.118 ppm ozone – a concentration reached in the troposphere b. 25 ppm – a concentration reached in the stratosphere 2. Which of these pairs are allotropes? a. Diamond and graphite b. Water (H 2 O) and hydrogen peroxide (H 2 O 2 ) c. White phosphorus (P 4 ) and red phosphorus (P 8 ) 3. Using the periodic table as a guide, specify the number of protons and electrons in a neutral atom of each of these elements. Element # of protons # of electrons N O Mg S Zn 4. Using the periodic table, give the name and symbol of the element that has each of these numbers of protons. Number of protons Name Symbol 2 19 29 46 5. Complete the following table by giving the number of protons, electrons and/or neutrons and/or the correct symbol(s) for the element. Element Symbols
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This note was uploaded on 04/11/2011 for the course CHEM 102 taught by Professor Henshaw during the Winter '11 term at Grand Valley State University.

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Chapter 2 Homework - Name: _ Chapter 2 Homework 1. The text...

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