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1021JDBOptionalPracticeQuizChapter2 - 1 What is the name of...

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Dr. Jim Bloxton NAME CHEM 1021 First Summer Session 2006 Optional Practice Quiz 2 Chapter 2 Note: This is a quiz that I gave in Chem 1021 during the first summer session of 2006 for Chapter 2. This is optional practice material for chapter 2. These are sample questions that may or may not be used on a quiz, midterm or final exam. This quiz is not an exhaustive list of questions that could appear on quizzes or exams. Other questions that are not found in this practice material will be on the actual quiz, midterm and final exam. Learn the basic principles and then be prepared to apply the principles to problems that you have not seen before. It is important to do all of the homework problems that are in your Chem 1021 lecture text in addition to the questions in this study guide. Make sure that you do all of the Chemical Connections homework questions that have assigned. This quiz is worth a total of 10 points.
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Unformatted text preview: 1. What is the name of the element with the symbol I? 2. Write the formulas of compounds in which the combining ratios are as follows: calcium : carbon : hydrogen : oxygen, 1:2:6:4 3. Is carbon dioxide an element, compound or a mixture? Explain. 4. How many protons, neutrons and electrons are in fluorine-18? 5. Give an example of two representative elements from the same family that are both metals with only 2 valence electrons. 6. Give an example of an element that is in the same period as sulfur and that has larger ionization energy than sulfur. 7. Write the Lewis symbol of nitrogen. 8. Write the condensed ground-state electron configuration of Se. 9. Why does the body need sulfur? 10. What is wrong with the following statement: Nonmetals are more likely to lose electrons than metals and nonmetals are more likely to conduct electricity than metals....
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