Chemistry Test Questions

Honors Chemistry Chapter Nine PracticeExam
Student: ___________________________________________________________________________
1. Which of these compounds is most likely to be ionic?
A. KF
B. CCl4
C. CS2
D. CO2
E. ICl 2. Which of these compounds is most likely to be ionic?
A. NCl3
B. BaCl2
C. CO
D. SO2
E. SF4 3. Which of these compounds is most likely to be covalent?
A. Rb2S
B. SrCl2
C. CS2
D. CaO
E. MgI2 4. Which of these compounds is most likely to be covalent?
A. CsOH
B. NF3
C. Sr(NO3)2
D. CaO
E. LiF 5. The Lewis dot symbol for the chloride ion is
A.
B.
C.
D.
E.

6. Which of these ionic solids would have the largest lattice energy?
A. NaCl
B. NaF
C. CaBr2
D. CsI
E. CaCl2 7. Which of these solids would have the highest melting point?
A. NaF
B. NaCl
C. NaBr
D. NaI 8. Which of these solids would have the lowest melting point?
A. KI
B. KBr
C. KCl
D. KF 9. Which of these atom is the most electronegative?
A. Li
B. Cs
C. P
D. As
E. Ge 10. A polar covalent bond would form in which one of these pairs of atoms?
A.
B.
C.
D.
E.

11. A nonpolar covalent bond (i.e., pure covalent) would form in which of these pairs of atoms?
A.
B.
C.
D.
E.

12. Which of these covalent bonds is the most polar (i.e., highest percent ionic character)?
A.
B.
C.
D.
E.

13. In which of these pairs of atoms would the bond be the most polar?
A.
B.
C.
D.
E.

14. The electron dot formula for O2 shows
A. a single covalent bond.
B. a double covalent bond.
C. an ionic bond.
D. a total of 8 2 = 16 electron dots.
E. a total of 32 electron dots. 15. The electron dot structure for AsCl3 shows
A. a total of 84 electron dots.
B. three single bonds and 10 lone pairs.
C. two single bonds, one double bond, and 9 lone pairs.
D. one single bond, two double bonds, and 8 lone pairs.
E. three single bonds and one lone pair. 16. The total number of