Reference no: EM132614993

1. What types of bonding is illustrated in sharing of electrons?

a. Covalent bond

b.Polar covalent bond

c.Ionic bond

d.Hydrogen bond

e. a and b

2. What is the relationship between polar covalent bonds and hydrogen bonds?

a.There is no relationship between these two types of bonds

b.The formation of hydrogen bonds induces the formation of polar covalent bonds

c.The formation of polar covalent bonds creates the centers of partial positive and partial negative charge that are required for the weak electrostatic interactions associated with hydrogen bonds

d.Both types of bonds directly use pairs of shared electrons

e.Both types of bonds are based on electrostatic interactions.

3. What is the physical nature of the hydrogen bond?

a. There is a strong electrostatic attraction between a positive charge and a negative charge.

b. There is a weak electrostatic attraction between a positive charge and a negative charge.

c. Two electrons are equally shared in a bonding orbital between the oxygen and the hydrogen atom.

d. Two electrons are unequally shared in a bonding orbital between the oxygen and the hydrogen atom, such that a polar covalent bond is formed.

e. None of the above.

4. What type of bonding is illustrated when electrons are transferred?

a.Covalent

b.Polar covalent bond

c.Ionic bond

d.Hydrogen bond

e.None of the above

5. What common feature is shared by the sodium and chloride ions?

a.Both ions have unpaired electrons in their outermost energy levels.

b.Both ions have electrons in the third energy levels.

c.Both ions have eight electrons in their outermost energy levels.

d.Both ions have complete outermost energy levels, resulting in great stability.

e.Both c and d are correct

6. What type of bonding is illustrated when electrons are shared unequally?

a.Covalent bond

b.Polar covalent bond

c.Ionic bond

d.Hydrogen bond

e.None of the above

7. What feature of the bond between hydrogen and oxygen is most important in explaining how water can act as a powerful solvent?

a.The electrons

b.The atomic nuclei

c.Ionic bonds

d.Covalent bonds

e.The unequal electron distribution that produces the partial positive andpartial negative charges associated with the hydrogen bond

8. What type of bonding is illustrated when the oxygen of one water molecule bonds with the hydrogen of another?

a.Covalent bond

b.Polar covalent bond

c.Ionic bond

d.Hydrogen bond

e.None of the above

9. An atom's orbital with one electron combines with another atom's orbital that also contains one electron. What is produced?

a.A bonding orbital containing two electrons

b.A covalent bond

c.A molecule

d.A hydrogen bond

e.Responses a, b, and c

10. How many electrons are associated with a single covalent bond between two atoms?

a.Zero electrons

b.One electron

c.Two electrons

d.Four electrons

e.Eight electrons