Ionic Bonding: On-line Text Section 1.3 Review Quiz
Ionic Bonding: On-Line Text Section 1. 3
- 1.What kind of bonding does this model represent?You and a friend walk past a market that sells apples for 40 cents each and pears for 50 cents each. You have 45 cents and want an apple. Your friend also has 45 cents but wants a pear. You realize that if you give your friend a nickel, she will have 50 cents and can buy a pear. You will have 40 cents left to buy an apple. Transferring the nickel gets both of you what you want. Your actions model what happens between atoms.
- A.
Transferring ions is ionic bonding.
- B.
Transferring atoms is polyatomic bonding.
- C.
The transferring and sharing of atoms is covalent bonding.
- D.
Transferring atoms is metallic bonding.
- 2.A chemical formula is: ________________
- A.
A chemical formula is a combination of symbols that show the ratio of elements in a compound.
- B.
A chemical formula is a combination of symbols that show the ratio of elements in a mixture.
- C.
A chemical formula is a combination of symbols that show the ratio of elements in a molecule.
- D.
A chemical formula is a combination of symbols that show the ratio of elements in an element.
- 3.When ionic compounds form, the ions come together in a way that…._________________
- A.
When ionic compounds form, the ions come together in a way that balances out the charges on the ions.
- B.
When ionic compounds form, the ions come together in a way that redistributes the electrons in an atoms valance electron cloud.
- C.
When ionic compounds form, the ions come together in a way that disrupts the balance of charges on the electrons.
- D.
When ionic compounds form, the ions come together in a way that is unfair to the atom with less electronegativity.
- 4.Ions form an orderly, three-dimensional arrangement called: ______________
- A.
Ions form an orderly, three-dimensional arrangement called crystals.
- B.
Ions form an orderly, three-dimensional arrangement called polyatomic atoms.
- C.
Ions form an orderly, three-dimensional arrangement called subscripts.
- D.
Ions form an orderly, three-dimensional arrangement called ionic compounds
- 5.Ionic bonds form as a result of:___________________________
- A.
Ionic bonds form as a result of the attraction between positive and negative ions.
- B.
Ionic bonds form as a result of the attraction between atoms and elements.
- C.
Ionic bonds form as a result of the attraction between covalent bonds and the transfer of electrons.
- D.
Ionic bonds form as a result of the attraction between high and low electronegative clouds.
- 6.When you heat a substance, its energy_______
- A.
When you heat a substance, its energy increases.
- B.
When you heat a substance, its energy transfers.
- C.
When you heat a substance, its energy lowers.
- D.
When you heat a substance, its energy neutralizes.
- 7.Why do ionic bonds have high melting points?
- A.
Ionic bonds are strong and require much energy to break them. When ions have enough energy to overcome the attraction between them, they break away from each other causing the crystals to melt.
- B.
Ionic bonds are strong but do not require much energy to break them. When ions have enough energy to overcome the attraction between them they transfer electrons and the crystal melts.
- C.
Ionic bonds are strong and require much energy to break them. When ions have enough energy to balance the attraction between them, they transfer energy from one to the other causing the crystal to melt.
- D.
Ionic bonds are strong and require additional electron energy to break them. When ions have acquired additional electron energy to overcome the transfer between them, they break away from each other causing the crystals to melt.
- 8.Ionic compounds do not conduct electricity very well because:
- A.
Crystals of ionic compounds do not conduct electricity well because the ions in the crystal are tightly bonded to each other. If the charged particles cannot move, the electricity cannot flow.
- B.
Under certain circumstances, crystals of ionic compounds conduct electricity well because the ions in the crystal are tightly bonded to each other. The charged particles can move together so the electricity flows.
- C.
Crystals of ionic compounds do not conduct electricity well because the ions in the crystal are transferred to each other. The charged particles move between each other causing the electricity to flow.
- D.
Crystals of ionic compounds do not conduct electricity well because the ions in the crystal are loosely bonded to each other and cannot move together so the electricity cannot flow.
- 9.Under what circumstance do ionic compounds conduct electricity?
- A.
Ionic crystals conduct electricity when dissolved in water. The tight bonds between ions break when dissolved and the ions are free to move, so the solution conducts electricity. After an ionic compound melts, the ions can move freely, and the liquid conducts electricity.
- B.
Ionic crystals conduct electricity when dissolved in water. The loose bonds between ions combine and move freely, so the solution conducts electricity, melting the ions.
- C.
Ionic crystals conduct electricity when dissolved in water. The neutral bonds between ions break and the ions are free to move, so the solution conducts electricity.
- D.
Ionic crystals conduct electricity when dissolved in water because the tight bonds between ions transfer and the ions are free to move and melt, turning to liquid and conducting electricity.
- 10.All ionic compounds are similar in some ways such as they are:
- A.
All ionic compounds are similar in that they are hard, brittle crystals that have high melting points. When dissolved in water or melted, they conduct electricity.
- B.
All ionic compounds are similar in that they are soft and flexible because they have high melting points. When dissolved in water or melted, they conduct electricity.
- C.
All ionic compounds are similar in that they are hard, flexible crystals that have low melting points. When dissolved in water or melted, they conduct electricity.
- D.
All ionic compounds are similar in that they are hard, brittle crystals that have low melting points. When dissolved in water or melted, they conduct electricity.
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