Question 1

The formula for aluminum sulfate is

Accepted Answer

A) Al3(SO4)2. 
B) Al3S2. 
C) Al2(SO4)3. 
D) Al2S3. 
E) Al2(SO3)3. 
A) Al3(SO4)2. 
B) Al3S2. 
C) Al2(SO4)3. 
D) Al2S3. 
E) Al2(SO3)3.

Question 2

The formula for magnesium nitride is

Accepted Answer

A) Mg2N3. 
B) Mg3N2. 
C) MgNO2. 
D) Mg(NO2)2. 
E) MgN. 
A) Mg2N3. 
B) Mg3N2. 
C) MgNO2. 
D) Mg(NO2)2. 
E) MgN.

Question 3

The chemical formula for iron(III)sulfide is

Accepted Answer

A) Fe2(SO4)3. 
B) Fe2S3. 
C) Fe2(SO3)3. 
D) Fe3(SO3)2. 
E) Fe3(SO4)2. 
A) Fe2(SO4)3. 
B) Fe2S3. 
C) Fe2(SO3)3. 
D) Fe3(SO3)2. 
E) Fe3(SO4)2.

Question 4

The chemical name for the model   is

Accepted Answer

A) dinitrogen tetroxide. 
B) nitrogen tetroxide. 
C) nitrogen oxide. 
D) nitric oxide. 
E) nitrogen trioxide 
A) dinitrogen tetroxide. 
B) nitrogen tetroxide. 
C) nitrogen oxide. 
D) nitric oxide. 
E) nitrogen trioxide

Question 5

The formulas of the nitrite,phosphate,and nitrate ions are represented,respectively,as

Accepted Answer

A) N3-,PO33-,NO3-. 
B) NO-,P5-,NO3-. 
C) NO2-,P3-,NO3-. 
D) NO3-,PO2-,N3-. 
E) NO2-,PO43-,NO3-. 
A) N3-,PO33-,NO3-. 
B) NO-,P5-,NO3-. 
C) NO2-,P3-,NO3-. 
D) NO3-,PO2-,N3-. 
E) NO2-,PO43-,NO3-.

Question 6

A reaction occurs between sodium carbonate and hydrochloric acid,producing sodium chloride,carbon dioxide,and water.Which is the correct set of coefficients,respectively,for the balanced reaction?

Accepted Answer

A) 3 6 6 3 4 
B) 8 6 5 10 5 
C) 5 10 10 5 5 
D) 1 2 2 1 1 
E) none of these 
A) 3 6 6 3 4 
B) 8 6 5 10 5 
C) 5 10 10 5 5 
D) 1 2 2 1 1 
E) none of these

Question 7

Choose the name-formula pair that does not match.

Accepted Answer

A) calcium fluoride,CaF2 
B) iron(III)oxide,Fe2O3 
C) aluminum oxide,Al2O3 
D) potassium permanganate,K2MnO4 
E) sodium sulfite,Na2SO3 
A) calcium fluoride,CaF2 
B) iron(III)oxide,Fe2O3 
C) aluminum oxide,Al2O3 
D) potassium permanganate,K2MnO4 
E) sodium sulfite,Na2SO3

Question 8

An ion is formed

Accepted Answer

A) by either adding electrons to or subtracting electrons from the atom. 
B) by either adding protons to or subtracting protons from the atom. 
C) by either adding neutrons to or subtracting neutrons from the atom. 
D) All of the above are true. 
E) Two of the above are true. 
A) by either adding electrons to or subtracting electrons from the atom. 
B) by either adding protons to or subtracting protons from the atom. 
C) by either adding neutrons to or subtracting neutrons from the atom. 
D) All of the above are true. 
E) Two of the above are true.

Question 9

The systematic name for BaH2 is

Accepted Answer

A) barium(II)hydrate. 
B) barium hydride. 
C) barium dihydrate. 
D) barium dihydrogen. 
E) barium dihydride. 
A) barium(II)hydrate. 
B) barium hydride. 
C) barium dihydrate. 
D) barium dihydrogen. 
E) barium dihydride.

The formula for aluminum sulfate is

The formula for magnesium nitride is

The chemical formula for iron(III)sulfide is

The chemical name for the model is

The formulas of the nitrite,phosphate,and nitrate ions are represented,respectively,as

A reaction occurs between sodium carbonate and hydrochloric acid,producing sodium chloride,carbon dioxide,and water.Which is the correct set of coefficients,respectively,for the balanced reaction?

Choose the name-formula pair that does not match.

An ion is formed

The systematic name for BaH₂ is

Chemistry and Measurement

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

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Exam 2: Atoms, molecules, and Ions

The formula for aluminum sulfate is

The formula for magnesium nitride is

The chemical formula for iron(III)sulfide is

The chemical name for the model is

The formulas of the nitrite,phosphate,and nitrate ions are represented,respectively,as

A reaction occurs between sodium carbonate and hydrochloric acid,producing sodium chloride,carbon dioxide,and water.Which is the correct set of coefficients,respectively,for the balanced reaction?

Choose the name-formula pair that does not match.

An ion is formed

The systematic name for BaH2 is

Chemistry and Measurement

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

Filters

The systematic name for BaH₂ is