Question 1

Identify the charge, X, on the barium ion   .

Accepted Answer

A)  +1 
B)  +2 
C)  +3 
D)  -1 
E)  -2 
A)  +1 
B)  +2 
C)  +3 
D)  -1 
E)  -2

Question 2

Which of the following is a formula for the compound disulfur tetrafluoride?

Accepted Answer

A)  SF4 
B)  2SF4 
C)  S2F4 
D)  SF6 
E)  S2F2 
A)  SF4 
B)  2SF4 
C)  S2F4 
D)  SF6 
E)  S2F2

Question 3

Identify an ether.

Accepted Answer

A)  CH3CH2OCH2CH3 
B)  CH3CH2OH 
C)  CH3CH2NH2 
D)  CH3CH2CH2CH3 
E)  CH3COOH 
A)  CH3CH2OCH2CH3 
B)  CH3CH2OH 
C)  CH3CH2NH2 
D)  CH3CH2CH2CH3 
E)  CH3COOH

Question 4

How many SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions are contained in 99.6 mg of NaS1U1B12S1U1B0SOS1U1B13S1U1B0? The molar mass of NaS1U1B12S1U1B0SOS1U1B13 S1U1B0is 126.05 g molS1U1P1-1S1S1P0.

Accepted Answer

A)  1.52 × 10S1U1P127S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
B)  4.76 × 10S1U1P120S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
C)  2.10 × 10S1U1P121S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0ions 
D)  1.05 × 10S1U1P121S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
E)  9.52 × 10 S1U1P120S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
A)  1.52 × 10S1U1P127S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
B)  4.76 × 10S1U1P120S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
C)  2.10 × 10S1U1P121S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0ions 
D)  1.05 × 10S1U1P121S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions 
E)  9.52 × 10 S1U1P120S1S1P0 SOS1U1B13S1U1B0S1U1P12-S1S1P0 ions

Question 5

How many moles are there in 3.00 g of ethanol, CH3CH2OH?

Accepted Answer

A)  0. 00725 mol 
B)  0. 0652 mol 
C)  15.3 mol 
D)  138 mol 
A)  0. 00725 mol 
B)  0. 0652 mol 
C)  15.3 mol 
D)  138 mol

Question 6

Match the following.
-neon

Accepted Answer

A) Ne(g) 
B) Cl2(g) 
C) Ca2(s) 
D) Ne2(g) 
E) Ca(s)
F)H2(g)
G)I2(s)
H)H(g)
I)Cl(g)
J)O(g)
K)O2(g)
L)I(s) 
A) Ne(g) 
B) Cl2(g) 
C) Ca2(s) 
D) Ne2(g) 
E) Ca(s)
F)H2(g)
G)I2(s)
H)H(g)
I)Cl(g)
J)O(g)
K)O2(g)
L)I(s)

Question 7

When forming ionic compounds, cations and anions form three-dimensional networks known as ________.

Accepted Answer

A)  a molecular compound 
B)  a space-filling compound 
C)  a lattice 
D)  an empirical formula 
A)  a molecular compound 
B)  a space-filling compound 
C)  a lattice 
D)  an empirical formula

Question 8

Identify the compound with (an) ionic bond(s).

Accepted Answer

A)  CO2 
B)  H2O2  
C)  CH4 
D)  LiBr 
E)  H2 
A)  CO2 
B)  H2O2  
C)  CH4 
D)  LiBr 
E)  H2

Question 9

What mass of water, H2O , contains the same number of molecules as 3.00 g of trichlorofluoromethane, CCl3F?

Accepted Answer

A)  0.0437 g 
B)  0.393 g 
C)  2.54 g 
D)  22.9 g 
A)  0.0437 g 
B)  0.393 g 
C)  2.54 g 
D)  22.9 g

Question 10

Determine the name for aqueous HBr.

Accepted Answer

A)  bromic acid 
B)  bromous acid 
C)  hydrobromous acid 
D)  hydrogen bromate 
E)  hydrobromic acid 
A)  bromic acid 
B)  bromous acid 
C)  hydrobromous acid 
D)  hydrogen bromate 
E)  hydrobromic acid

Question 11

What is the empirical formula for C4H10O2?

Accepted Answer

A)  C2H5O 
B)  CHO 
C)  C2H4O 
D)  CHO2 
E)  CH2O 
A)  C2H5O 
B)  CHO 
C)  C2H4O 
D)  CHO2 
E)  CH2O

Question 12

What is the common name of the polyatomic anion SO42?

Accepted Answer

A)  Sulfite 
B)  Hyposulfite 
C)  Persulfate 
D)  Sulfate 
E)  Sulfide 
A)  Sulfite 
B)  Hyposulfite 
C)  Persulfate 
D)  Sulfate 
E)  Sulfide

Question 13

How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g mol-1.

Accepted Answer

A)  1.23 × 1023 O atoms 
B)  2.96 × 1024 O atoms 
C)  2.87 × 1025 O atoms 
D)  1.10 × 1024 O atoms 
E)  3.68 × 1023 O atoms 
A)  1.23 × 1023 O atoms 
B)  2.96 × 1024 O atoms 
C)  2.87 × 1025 O atoms 
D)  1.10 × 1024 O atoms 
E)  3.68 × 1023 O atoms

Question 14

Which of the following has the greatest mass?

Accepted Answer

A)  3.88 × 1022 molecules of O2 
B)  1.00 g of O2 
C)  0. 0312 mol of O2 
D)  All of the above have the same mass. 
A)  3.88 × 1022 molecules of O2 
B)  1.00 g of O2 
C)  0. 0312 mol of O2 
D)  All of the above have the same mass.

Question 15

Which of the following contains both ionic and covalent bonds?

Accepted Answer

A)  CaI2 
B)  CO2 
C)  CaSO4 
D)  SF6 
E)  C2H4 
A)  CaI2 
B)  CO2 
C)  CaSO4 
D)  SF6 
E)  C2H4

Question 16

Calculate the molar mass of Al(C2H3O2)3.

Accepted Answer

A)  86.03 g mol-1 
B)  204.13 g mol-1 
C)  56.00 g mol-1 
D)  258.09 g mol-1 
E)  139.99 g mol-1 
A)  86.03 g mol-1 
B)  204.13 g mol-1 
C)  56.00 g mol-1 
D)  258.09 g mol-1 
E)  139.99 g mol-1

Question 17

Identify the nitrite ion.

Accepted Answer

A)  NOS1U1B13S1U1B0S1U1P1-S1S1P0 
B)  NHS1U1B14S1U1B0S1U1P1+S1S1P0 
C)  NHS1U1P14S1S1P0+S1S1P0 
D)  NS1U1B13S1U1B0S1U1P1-S1S1P0 
E)  NS1U1P13-S1S1P0 
A)  NOS1U1B13S1U1B0S1U1P1-S1S1P0 
B)  NHS1U1B14S1U1B0S1U1P1+S1S1P0 
C)  NHS1U1P14S1S1P0+S1S1P0 
D)  NS1U1B13S1U1B0S1U1P1-S1S1P0 
E)  NS1U1P13-S1S1P0

Question 18

Which of the compounds, C5H12, Mg Br2, Mn(NO3)2, P Cl3, are expected to exist as molecules?

Accepted Answer

A)  only C5H12 
B)  C5H12 and P Cl3 
C)  C5H12, Mn(NO3)2, and P Cl3 
D)  Mg Br2 and Mn(NO3)2 
A)  only C5H12 
B)  C5H12 and P Cl3 
C)  C5H12, Mn(NO3)2, and P Cl3 
D)  Mg Br2 and Mn(NO3)2

Question 19

Identify the name for PBr3.

Accepted Answer

A)  phosphorus tribromide 
B)  potassium tribromide 
C)  phosphorus(III) bromide 
D)  phosphorus(II) bromide 
E)  phosphorus bromide 
A)  phosphorus tribromide 
B)  potassium tribromide 
C)  phosphorus(III) bromide 
D)  phosphorus(II) bromide 
E)  phosphorus bromide

Question 20

What is the molar mass of 1-butene if 5.38 × 1016 molecules of 1-butene weigh 5.00 μg?

Accepted Answer

A)  56.0 g mol-1 
B)  178 g mol-1 
C)  224 g mol-1 
D)  447 g mol-1 
A)  56.0 g mol-1 
B)  178 g mol-1 
C)  224 g mol-1 
D)  447 g mol-1

Exam 3: Molecules, Compounds, and Nomenclature

Identify the charge, X, on the barium ion .

Which of the following is a formula for the compound disulfur tetrafluoride?

Identify an ether.

How many SO32- ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05 g mol-1.

How many moles are there in 3.00 g of ethanol, CH3CH2OH?

Match the following. -neon

When forming ionic compounds, cations and anions form three-dimensional networks known as ________.

Identify the compound with (an) ionic bond(s).

What mass of water, H2O , contains the same number of molecules as 3.00 g of trichlorofluoromethane, CCl3F?

Determine the name for aqueous HBr.

What is the empirical formula for C4H10O2?

What is the common name of the polyatomic anion SO42?

How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g mol-1.

Which of the following has the greatest mass?

Which of the following contains both ionic and covalent bonds?

Calculate the molar mass of Al(C2H3O2)3.

Identify the nitrite ion.

Which of the compounds, C5H12, Mg Br2, Mn(NO3)2, P Cl3, are expected to exist as molecules?

Identify the name for PBr3.

What is the molar mass of 1-butene if 5.38 × 1016 molecules of 1-butene weigh 5.00 μg?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

How many SO₃^2- ions are contained in 99.6 mg of Na₂SO₃? The molar mass of Na₂SO₃is 126.05 g mol^-1.

How many moles are there in 3.00 g of ethanol, CH₃CH₂OH?

What mass of water, H₂O, contains the same number of molecules as 3.00 g of trichlorofluoromethane, CCl₃F?

What is the empirical formula for C₄H₁₀O₂?

What is the common name of the polyatomic anion SO₄²?

How many atoms of oxygen are contained in 47.6 g of Al₂(CO₃)₃? The molar mass of Al₂(CO₃)₃is 233.99 g mol^-1.

Calculate the molar mass of Al(C₂H₃O₂)₃.

Which of the compounds, C₅H₁₂, Mg Br₂, Mn(NO₃)₂, P Cl_3, are expected to exist as molecules?

Identify the name for PBr₃.

What is the molar mass of 1-butene if 5.38 × 10¹⁶ molecules of 1-butene weigh 5.00 μg?