Lecture 10.30.09

Lecture 10.30.09 - B C D Na Na e-Cl e-Cl-Na Cl Na Cl • • •• •• •• •• •• •• •• •• • • • • • • •

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Friday, October 30 CHEM 1251, Fall 2009 1 2 Which ordering of ionic radii is correct? A. Na + > Al 3+ > N 3- > F - B. Na + < Al 3+ < N 3- < F - C. N 3- < F - < Na + < Al 3+ D. N 3- > F - > Na + > Al 3+ CQ #1 3 Figure 8.21 4 Which statement is true ? A. K has a higher first ionization energy than Ca. B. K has a higher first ionization energy than Na. C. K has a higher second ionization energy than Ca. D. K has a higher second ionization energy than Na. E. None of these statements is true. CQ #2 5 The formation of sodium chloride from sodium and chlorine atoms is depicted below using Lewis dot symbols: A.
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Unformatted text preview: B. C. D. Na Na + + e-Cl + e-Cl -Na + Cl Na Cl • • •• •• •• •• •• •• •• •• • • • • • • • • • • • • • • +-Which Lewis dot structure best represents NaOH? H O •• •• • • • • 2-Na + + O •• •• • • • • Na H Na + H O •• •• • • • •-O •• •• • • • • Na-H + CQ #3 6 Additional Information Answers to today ’ s clicker questions ( CQs ) CQ #1: D CQ #2: C CQ #3: B Preparing for future learning Read Chapter 9, Sections 9.1 - 9.4...
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This note was uploaded on 12/10/2009 for the course CHEM 1111 at Colorado.

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