Ionic Bonding and Ionic Compounds Questions and Answers | Online Quiz for Practice

46. Calcium forms an ion with a charge of

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

47. Chromium and chlorine form an ionic compound whose formula is CrCl₃. The name of this compound is

1. monochromium trichloride
2. chromium(III) trichloride
3. chromium chlorine
4. chromium(III) chloride

48. Element M reacts with fluorine to form an ionic compound with the formula MF₃. The M-ion has 18 electrons. Element M is

1. Ar
2. Ca
3. P
4. Sc

49. Fluorine forms an ion with a charge of

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

50. How many electrons does the Al3+ ion possess?

1. 6
2. 16
3. 10

51. How many total carbonate ions would be present in the formula for aluminum carbonate?

1. 1
2. 4
3. 3
4. 2

52. Iodine forms an ion with a charge of

1. -1
2. 2+
3. -7
4. 1+

53. Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between Lithium and element X?

1. Li₂X₃
2. Li₂X₂
3. Li₂X
4. LiX₂

54. Metals tend to......................electrons and nonmetals tend to......................electrons.

1. lose, gain
2. gain, gain
3. gain, gain
4. lose, lose

55. Of the choices below, which one is not an ionic compound?

1. RbCl
2. PbCl₂
3. PCl₅
4. CrCl₆

56. Oxygen forms an ion with a charge of

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

57. Predict the charge of the most stable ion of P

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

58. Predict the charge of the most stable ion of S

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

59. Predict the formula of the ionic compound that forms from aluminum and oxygen.

1. Al₂O₃
2. AlO₂
3. AlO
4. Al₃O₂

60. Predict the formula of the ionic compound that forms from Calcium and Fluorine.

1. Ca₂ F₂
2. Ca₂F₃
3. CaF₂
4. C₂F