Covalent Bonding and Nomenclature Test Review Answer Key



Chemical Bonding Test Review Answer Key

Part 1 Answers:

1. single bond = sigma bond, double bond = 1 sigma bond and 1 pi bond, triple bond = 1 sigma bond and 2 pi bonds

2. a. ionic b. ionic c. polar (Cl has higher EN) d. nonpolar e. polar (N has higher EN) f. nonpolar

3. H-F (1.9), H-O (1.4), H-Cl (0.9), H-C (0.4), H-H (0)

4. a. 2 polar bonds, 0 nonpolar bonds, polar molecule b. 2 polar bonds, 0 nonpolar bonds, nonpolar molecule c. CHO2, 3 polar bonds, 0 nonpolar bonds, polar molecule d. 4 polar bonds, 0 nonpolar bonds, nonpolar molecule e. 4 polar bonds, 0 nonpolar bonds, polar molecule f. 3 polar bonds, 0 nonpolar bonds, polar molecule g. 0 polar bonds, 1 nonpolar bond, polar molecule h. 0 polar bonds, 1 nonpolar bond, nonpolar molecule j. 6 polar bonds, 0 nonpolar bonds, nonpolar molecule k. 5 very polar bonds (would be ionic, but P is a not a metal and will not lose its ve-), 0 nonpolar bonds, nonpolar molecule

5. a. Trigonal pyramidal, ................
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