Chemistry 110 - Elements of General Chemistry » Spring 2023 » Chapter 5 Quiz

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Question #1
How many total atoms are in the chemical formula Mg3(PO4)2?
A.   5
B.   13
C.   None of these
D.   3
E.   9
Question #2
The number of oxygen atoms in the formula Al2(CO3)3 is
A.   5
B.   12
C.   9
D.   7
Question #3
Carbon monoxide is considered which of the following?
A.   element
B.   molecular compound
C.   ionic compound
D.   atom
E.   None of these
Question #4
What is the formula for an ionic compound made of magnesium and sulfur
A.   MgS2
B.   None of these
C.   Mg2S
D.   Mg2S3
E.   MgS
Question #5
What is the formula for an ionic compound made of aluminum and oxygen?
A.   Al3O2
B.   AlO
C.   Al2O3
D.   AlO2
Question #6
What is the name of the ionic compound made of beryllium and chlorine?
A.   None of these
B.   beryllium (II) chloride
C.   beryllium dichloride
D.   beryllium chloride
E.   monoberyllium chloride
Question #7
Which metal atom below does not form a cation of more than one charge?
A.   Mn
B.   Ba
C.   Cr
D.   all of the listed metal atoms form a cation of more than one charge
E.   Fe
Question #8
Which formula shown is incorrect for the name given?
A.   potassium hydroxide: KOH
B.   magnesium nitrite: Mg(NO2)3
C.   calcium carbonate: CaCO3
D.   aluminum sulfate: Al2(SO4)3
E.   sodium hydrogen carbonate: NaHCO3
Question #9
What is the name of the compound SF5?
A.   None of these
B.   monosulfur tetrafluoride
C.   sulfur hexafluoride
D.   sulfur pentafluoride
E.   sulfur heptafluoride
Question #10
What is the correct formula for the compound heptaphosphorus octafluoride?
A.   P6F7
B.   P5F8
C.   None of these
D.   P7F6
E.   P7F8
Question #11
What is the proper name for HBr (aq)?
A.   bromous acid
B.   hydrobromic acid
C.   None of these
D.   hydrobromous acid
E.   hydrousbromic acid
Question #12
What is the name of HIO3?
A.   iodous acid
B.   iodic acid
C.   iodate acid
D.   hydroiodous acid
E.   hydroiodic acid
Question #13
A certain oxyacid is derived from the oxyanion SO32-. The formula for the oxyacid is:
A.   H3SO3
B.   HSO3
C.   None of these
D.   H2SO3
E.   H2SO4
Question #14
The chemical formula of nitrous acid is:
A.   H2NO3
B.   HNO3
C.   H2NO2
D.   None of these
E.   HNO2
Question #15
Given the following atomic masses (C: 12.01 amu; H 1.01 amu; O 16.00 amu), the formula mass of C9H8O4 in amu to the correct number of significant figures is
A.   160.01
B.   120.16
C.   140.12
D.   180.17

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