Name ________________
Properies of Ionic Compounds
Date:_________________
1. Which element would most likely form an ionic bond with chlorine?
1) O
2) N
3) S
4) K
2. Which elements combine by forming an ionic bond?
1) sodium and potassium
2) sodium and oxygen
3) carbon and oxygen
4) carbon and sulfur
3. A characteristic of ionic solids is that they
1) have high melting points
2) have low boiling points
3) conduct electricity
4) are non-crystalline
4. When combining with nonmetallic atoms, metallic atoms generally will
1) lose electrons and form negative ions
2) lose electrons and form positive ions
3) gain electrons and form negative ions
4) gain electrons and form positive ions
5. When a potassium atom reacts with bromine, the potassium atom will
1) lose only 1 electron
2) lose 2 electrons
3) gain only 1 electron
4) gain 2 electrons
6. As sodium reacts with fluorine to form the compound NaF, each sodium atom will
1) gain 1 electron
2) gain 2 electrons 3) lose 1 electron
4) lose 2 electrons
7. When ionic bonds are formed, metallic atoms tend to
1) lose electrons and become negative ions
2) lose electrons and become positive ions
3) gain electrons and become negative ions
4) gain electrons and become positive ions
8. When an atom of chlorine forms an ionic bond with an atom of sodium, the atom of chlorine
1)
2)
3)
4)
loses an electron
loses a proton
becomes an ion with a smaller radius than the atom of chlorine
becomes an ion with a larger radius than the atom of chlorine
9. A hard substance that has a high melting point and is a poor conductor of electricity in the solid phase could
be
1) CO 2
2) Mg
3) NaCl
4) CCl4
10. Base your answer to the following question on The data table below represents the properties determined
by the analysis of substances A, B, C, and D.
Which substance is an ionic compound?
1) A
2) B
3) C
4) D
11. Which of the following substances is the best conductor of electricity?
1) H2O(g)
2) H2O(s)
3) NaCl(s)
Chemistry!
4) NaCl( )
Properies of Ionic Compounds
12. Which substance dissolves in pure water and produces a solution that is a good conductor of electricity?
1) CaCl2
2) C6H12O6
3) N2
4) O2
13. A solid substance was tested in the laboratory. The test results are listed below.
• dissolves in water
• is an electrolyte
• melts at a high temperature
Based on these results, the solid substance could be
1) Cu
2) CuBr 2
3) C
4) C6H12O6
Chemistry!
Answer Key
Bonding and Energy
1.
4
2.
2
3.
1
4.
2
5.
1
6.
3
7.
2
8.
4
9.
3
10.
4
11.
4
12.
1
13.
2
Chemistry!