TEST BANK FOR ORGANIC CHEMISTRY BROWN 7TH EDITION

CHAPTER 1—COVALENT BONDING AND SHAPES OF MOLECULES MULTIPLE CHOICE 1. How many electrons can the shell with a principal quantum number of 1 hold? a. 1 b. 2 c. 4 d. 8 ANS: B 2. How many electrons can the shell with a principal quantum number of 2 hold? a. 1 b. 2 c. 4 d. 8 ANS: D 3. What is the ground-state electronic configuration of a nitrogen atom (nitrogen: atomic number 7)? a. 1s22s12p4 b. 1s22s22p3 c. 1s12s12p5 d. 1s22s22p2 ANS: B 4. What is the ground-state electronic configuration of a fluorine atom (fluorine: atomic number 9)? a. 1s12s12p7 b. 1s22s22p5 c. 1s22s22p6 d. 1s02s22p7 ANS: B 5. What is the ground-state electronic configuration of a fluoride anion (fluorine: atomic number 9)? a. 1s22s22p2 b. 1s22s22p5 c. 1s22s22p6 d. 1s22s22p7 ANS: C 6. What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)? a. 1s22s22p63s1 b. 1s22s22p53s1 c. 1s22s22p6 d. 1s22s22p63s2 ANS: C