Homework 3 - Homework 3 questions Fall 2009 1. Which of the...

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1 Homework 3 questions – Fall 2009 1. Which of the following statements is incorrect? A. Ionic bonding results from the transfer of electrons from one atom to another. B. Dipole moments result from the unequal distribution of electrons in a molecule. C. The electrons in a polar bond are found nearer to the more electronegative element. D. A molecule with very polar bonds can be nonpolar. E. Linear molecules cannot have a net dipole moment. 2. Which of the following groups contains no ionic compounds? A. HCN, NO 2 , Ca(NO 3 ) 2 B. PCl 5 , LiBr, Zn(OH) 2 C. KOH, CCl 4 , SF 4 D. NaH, CaF 2 , NaNH 2 E. CH 2 O, H 2 S, NH 3 3. Which of the following compounds contains only one unshared pair of valence electrons? A. NH 3 B. H 2 O C. CH 4 D. NaCl E. BeF 2 4. How many valence electrons are there in the acetate ion, CH 3 COO ? A. 22 B. 23 C. 24 D. 36 E. 38
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2 5. In which of the following molecules is the octet rule violated? A. PF 3 B. SiF 4 C. OF 2 D. ClF 3 E. ClF 6. Draw the best Lewis structure for SO 3 and indicate the formal charge on the sulfur atom.
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This note was uploaded on 09/28/2010 for the course CHE 210 taught by Professor Dr.elbehlil during the Spring '10 term at Kansas State University.

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Homework 3 - Homework 3 questions Fall 2009 1. Which of the...

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