Portmess Homework Solutions 29

Portmess Homework Solutions 29 - 23 CHEMICAL BONDING A-12....

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CHEMICAL BONDING 23 A-12. Given the following information, write a Lewis structure for urea, CH 4 N 2 O. The oxygen atom and both nitrogen atoms are bonded to carbon, there is a carbon oxygen double bond, and none of the atoms bears a formal charge. Be sure to include all unshared electron pairs. A-13. How many s and p bonds are present in each of the following? A-14. Give the hybridization of each carbon atom in the preceding problem. PART B B-1. Which one of the following is most likely to have ionic bonds? ( a ) HCl ( b )N a 2 O (c) N 2 O( d ) NCl 3 B-2. Which of the following is not an electronic con f guration for an atom in its ground state? ( a )1 s 2 2 s 2 2 p x 2 2 p y 1 2 p z 1 ( c s 2 2 s 2 2 p x 2 2 p y 2 2 p z 1 ( b s 2 2 s 2 2 p x 2 2 p y 2 2 p z 0 ( d s 2 2 s 2 2 p x 2 2 p y 2 2 p z 2 B-3. The formal charge on phosphorus in (CH
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