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26. Which type of chemical bond is formed by a transfer of electrons? 35. A covalent bond in which there is an unequal sharing of bonding
a. Ionic electrons is a
b. Covalent a. single covalent bond.
c. Metallic b. double covalent bond.
d. All of the above are correct. c. triple covalent bond.
27. Which type of chemical bond is formed between two d. polar covalent bond.
atoms by the sharing of two electrons, with one electron from 36. An inorganic compound made of only two different elements has
each atom? a systematic name that always ends with the suffix
a. Ionic a. -ite.
b. Covalent b. -ate.
c. Metallic c. -ide.
d. All of the above are correct. d. -ous.
28. What types of compounds are salts, such as sodium chloride? 37. Dihydrogen monoxide is the systematic name for a compound
a. Ionic compounds that has the common name of
b. Covalent compounds a. laughing gas.
c. Polar compounds b. water.
d. All of the above are correct. c. smog.
29. What is the chemical formula if there are two bromide ions for d. rocket fuel.
each barium ion in a compound? 38. Which of the following is not an example of a chemical reaction?
a. 2 Br 1 Ba a. Blending of a vanilla milkshake
b. Ba 2 Br b. Growing tomatoes
c. BaBr 2 c. Burning logs in the fireplace
d. None of the above is correct. d. Digesting your dinner
30. Which combination of elements forms crystalline solids that will 39. Which of the following substances is not a compound?
dissolve in water, producing a solution of ions that can conduct a. Water
an electric current? b. Table salt
a. Metal and metal c. Neon
b. Metal and nonmetal d. Rust
c. Nonmetal and nonmetal 40. Propane gas burns in oxygen to produce carbon dioxide, water,
d. All of the above are correct. and energy. The reactants in this reaction are propane and
31. In a single covalent bond between two atoms, a a. energy.
a. single electron from one of the atoms is shared. b. oxygen.
b. pair of electrons from one of the atoms is shared. c. carbon dioxide.
c. pair of electrons, one from each atom, is shared. d. water.
d. single electron is transferred from one atom. 41. Propane gas burns in oxygen to produce carbon dioxide, water,
32. Sulfur and oxygen are both in the VIA family of the periodic table. and energy. For this reaction, energy is
If element X combines with oxygen to form the compound X 2 O, a. absorbed.
element X will combine with sulfur to form what compound? b. released.
a. XS 2 c. equal on both sides of the reaction.
b. X 2 S d. completely consumed in the reaction.
c. X 2 S 2 42. Which is not true of an ionic bond? It involves
d. It is impossible to say without more information. a. a transfer of electrons.
33. One element is in the IA family of the periodic table, and a b. sharing of electrons.
second is in the VIIA family. What type of compound will the c. electrostatic attraction between ions.
two elements form? d. metals and nonmetals.
a. Ionic 43. Which of the following does not have an ionic bond?
b. Covalent
a. BaCl 2
c. They will not form a compound. b. Na 2 O
d. More information is needed to answer this question.
c. CS 2
34. One element is in the VA family of the periodic table, and a d. BaS
second is in the VIA family. What type of compound will these 44. What is the correct formula for magnesium chloride?
two elements form? a. MgCl
a. Ionic b. Mg 2 Cl
b. Covalent
c. MgCl 2
c. They will not form a compound.
d. Mg 2 Cl 2
d. More information is needed to answer this question.

248 CHAPTER 9 Chemical Bonds 9-20