Ionic Bonding and Ionic Compounds MCQ Quiz - Multiple Choice Questions & Answers Page 4

31. Which of the following compounds would you expect to be ionic?

1. H₂O
2. CO₂
3. SrCl₂
4. SO₂

32. Which one of the following compounds is chromium(III) oxide?

1. Cr₂O₃
2. CrO₃
3. Cr₃O₂
4. Cr₃O

33. Which one of the following compounds is copper(I) chloride?

1. CuCl
2. CuCl₂
3. Cu₂Cl
4. Cu₂Cl₃

34. Which pair of elements is most likely to form an ionic compound with each other?

1. barium, Chlorine
2. calcium, sodium
3. oxygen, fluorine
4. sulfur, carbon

35. Which species below is the nitride ion?

1. Na⁺
2. NO3^-
3. NO2^-
4. N3^-

36. Of the following metal ions, which would be MOST likely to have a +4 charge?

1. Cu
2. Pb
3. Li
4. Zn

37. ......................typically form ions with a 2+ charge.

1. Alkaline earth metals
2. Halogens
3. Chalcogens
4. Alkali metals

38. Aluminum forms an ion with a charge of

1. 2+
2. -1
3. 3+
4. -2

39. Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al₂X₃. Element X must be from Group......................of the Periodic Table of Elements.

1. 3A (13)
2. 4A (14)
3. 5A (15)
4. 6A (16)

40. Aluminum reacts with a certain nonmetallic element to form a compound with the general formula AlX. Element X is a diatomic gas at room temperature. Element X must be

1. sulfur
2. fluorine
3. Bromine
4. nitrogen