Chemistry: Matter and Change

Section 3: Names and Formulas for Ionic Compounds

Self Check Quizzes

1
How many ions are produced when one unit of sodium phosphate (Na3PO4) dissolves in water?
A)2
B)3
C)4
D)8
2
What kind of ion is iodide (I-)?
A)monatomic anion
B)polyatomic anion
C)monatomic cation
D)polyatomic cation
3
Name the pair that contains an incorrect formula.
A)aluminum phosphate AlPO4
B)iron(II) sulfite FeSO3
C)silver carbonate AgCO3
D)magnesium hydroxide Mg(OH)2
4
Which of the following descriptions of the two ions pictured is correct?

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A)ammonium: polyatomic anion; phosphate: polyatomic cation
B)ammonium: polyatomic cation; phosphate: polyatomic anion
C)ammonium: monatomic cation; phosphate: monatomic anion
D)ammonium: monatomic anion; phosphate: monatomic cation
5
What is the proper name for the ionic compound shown above?

Fe2(So4)3
A)Iron sulfite
B)Iron (III) sulfate
C)Iron (II) sulfate
D)Iron (III) Sulfite
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