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Chemistry
7th -
11thgrade
7.2: Ionic Bonds and Ionic Compounds
13 questions
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- 1. Multiple Choice
.......................compound is a compound composed of cations and anions.
An ionic
A molecular
A covalent
- 2. Multiple Choice
Ionic compounds are electrically neutral.
True
False
- 3. Multiple Choice
The electrostatic forces that hold ions together in ionic compounds are called .....................
ionic bonds
molecular bonds
covalent bonds
- 4. Multiple Choice
A chemical formula shows the numbers of atoms of each element in the smallest representative unit of a substance.
True
False
- 5. Multiple Choice
A formula unit is the highest whole-number ratio of ions in an ionic compound
True
False
- 6. Open Ended
Use electron dot structures to predict the formula of the ionic compound formed from potassium and iodine.
- 7. Open Ended
Use electron dot structures to predict the formula of the ionic compound formed from aluminum and oxygen.
- 8. Multiple Choice
Most ionic compounds are crystalline solids at room temperature
True
False
- 9. Multiple Choice
Ionic compounds generally have low melting points.
True
False
- 10. Multiple Choice
Ionic compounds can conduct an electric current when melted or dissolved in water.
True
False
- 11. Multiple Choice
The coordination number of an ion is the number of ions of opposite charge that surround the ion in a crystal.
True
False
- 12. Multiple Choice
The correct chemical formula for barium chloride is
BaCl2
BaCl
Ba2Cl
- 13. Multiple Choice
The correct chemical formula for calcium nitride is
Ca2P3
Ca3P2
C3P2
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