SCH4C - CAT Part A: Multiple Choice Questions 9. To which of the following elements will fluorine most likely form an ionic bond? a. calcium c. bromine b. oxygen d. boron 10. Which type of bond is present in CHA? a. lonic c polar covalent b. pure covalent d. metallic 11. Which type of bond is present in Bras? a. ionic c polar covalent b. pure covalent d. metallic 12. An atom will lose or gain electrons to become isoelectronic with a Noble gas and will be stable. This is another way of stating which rule? a crisscross c. octet rule b. conservation of mass d. There is no rule. 13. One reason that oxygen could not possibly be used as the backbone of organic molecules is because: a. It is so reactive; it forms double bonds with itself. b. It is a solid at room temperature. c. It has a low electronegativity. d. It has seven valence electrons. 14. Carbon is the backbone of organic molecules because: a. It forms four bonds. b. It has a low electronegativity. C. It is relatively stable. d. It can form chains with itself and still have room for other atoms. e. all of these A) 0 15. Which of the following functional groups would characterize a ketone? B) C) H, D) O C-C-C C-EH -CH2 -C-OH -CEC- CH-OH 16. Which of the following formulas would be an alkene? a. CH.0 c. CHE b. CjH4 d. CHE 17. Which of the following would be an aldehyde? B) C) H, DO E) F) CCC C-CH -C-OH-CEC- CH-OH) CEC- A) 0 C-S-CBC-S THE