Question 1

The images in the figure represent aqueous solutions of ionic compounds.Which could correspond to Na2S? 2S?   A) I only B) II only C) III only D) I and III E) II and III" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I only
B)  II only
C)  III only
D)  I and III
E)  II and IIIF) A) and D)
G) B) and E)

Question 2

The formula for the chlorate ion is ClO3-.What is the formula for the perchlorate ion?

Accepted Answer

A)  ClO4- 
B)  ClO2- 
C)  ClO- 
D)  ClO32- 
E)  PClO3- F) C) and E)
G) A) and E)

Question 3

What is the formula for a compound composed of Ca2+ ions and PO43- ions?

Accepted Answer

A)  CaPO4 
B)  Ca2(PO4) 3 
C)  Ca3(PO4) 2 
D)  Ca(PO4) 2 
E)  Ca(PO4) 3 F) A) and C)
G) None of the above

Question 4

Aluminum sulfate, calcium oxide, and water react together in a process used to remove solids from treated water.Which set of formulas is correct?

Accepted Answer

A)  AlSO4, Ca2O, H2O
B)  Al3(SO4) 2, Ca2O, H2O
C)  Al2(SO4) 3, Ca2O, H2O2 
D)  Al2(SO4) 3, CaO2, H2O2 
E)  Al2(SO4) 3, CaO, H2OF) None of the above
G) C) and E)

Question 5

Which of the following is the correct formula for the compound with the name aluminum sulfide?

Accepted Answer

A)  AlS
B)  Al3S2
C)  Al2S3
D)  AlSO4
E)  Al2(SO4) 3 F) A) and C)
G) A) and B)

Question 6

Which of the following is the correct formula for the compound with the name manganese(II)  phosphate?

Accepted Answer

A)  Mn3(PO4) 2 
B)  Mn2(PO4) 3 
C)  MnPO4  
D)  Mn3P2  
E)  Mn2P3  F) C) and D)
G) B) and C)

Question 7

Which set of formulas is correct for the compounds ammonia, nitric acid, and nitrous acid, respectively?

Accepted Answer

A)  NH3, HN, HNO
B)  NH4, HNO2, HNO3 
C)  NH3, HNO2, HNO3 
D)  NH3, HNO3, HNO2 
E)  NH4, HNO3, HNO2 F) A) and E)
G) A) and C)

Question 8

The formula for calcium nitrate is:

Accepted Answer

A)  CaNO3 
B)  Ca2NO3 
C)  Ca(NO3) 2 
D)  Ca(NO3) 3 
E)  Ca(NO2) 2 F) A) and E)
G) All of the above

Question 9

When a substance dissolves, heat is added to the compound in the solid state, and it is converted to the liquid state.When a substance melts, as in water, the substance becomes surrounded by solvent molecules, and no heat is added.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is the correct name for the compound Mn2O3?

Accepted Answer

A)  dimanganese trioxide
B)  manganate ion
C)  manganese(III)  oxide
D)  manganese(II)  oxide
E)  manganese oxideF) B) and D)
G) C) and D)

Question 11

From their position in the periodic table, we would predict that both oxygen and sulfur would have a charge of 2- in a binary ionic compound.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following formulas for a compound containing the Cr2+ ion is incorrect?

Accepted Answer

A)  CrClO4 
B)  CrSO4  
C)  CrO
D)  CrS
E)  CrCl2 F) A) and B)
G) B) and E)

Exam 3: Chemical Compounds

When a substance dissolves, heat is added to the compound in the solid state, and it is converted to the liquid state.When a substance melts, as in water, the substance becomes surrounded by solvent molecules, and no heat is added.

Correct Answer
verified

Which of the following is the correct name for the compound Mn₂O₃?

Correct Answer
verified

What is the formula for a compound composed of Ca²⁺ ions and PO₄³^- ions?

Correct Answer
verified

Which of the following is the correct formula for the compound with the name manganese(II) phosphate?

Correct Answer
verified

The formula for the chlorate ion is ClO₃-.What is the formula for the perchlorate ion?

Correct Answer
verified

From their position in the periodic table, we would predict that both oxygen and sulfur would have a charge of 2^-in a binary ionic compound.

Correct Answer
verified

Aluminum sulfate, calcium oxide, and water react together in a process used to remove solids from treated water.Which set of formulas is correct?

Correct Answer
verified

Which of the following is the correct formula for the compound with the name aluminum sulfide?

Correct Answer
verified

The images in the figure represent aqueous solutions of ionic compounds.Which could correspond to Na₂S?

Correct Answer
verified

Which of the following formulas for a compound containing the Cr²⁺ ion is incorrect?

Correct Answer
verified

The formula for calcium nitrate is:

Correct Answer
verified

Which set of formulas is correct for the compounds ammonia, nitric acid, and nitrous acid, respectively?

Correct Answer
verified

Exam 3: Chemical Compounds

When a substance dissolves, heat is added to the compound in the solid state, and it is converted to the liquid state.When a substance melts, as in water, the substance becomes surrounded by solvent molecules, and no heat is added.

Correct AnswerverifiedShow Answer

Which of the following is the correct name for the compound Mn2O3?

Correct AnswerverifiedShow Answer

What is the formula for a compound composed of Ca2+ ions and PO43- ions?

Correct AnswerverifiedShow Answer

Which of the following is the correct formula for the compound with the name manganese(II) phosphate?

Correct AnswerverifiedShow Answer

The formula for the chlorate ion is ClO3-.What is the formula for the perchlorate ion?

Correct AnswerverifiedShow Answer

From their position in the periodic table, we would predict that both oxygen and sulfur would have a charge of 2- in a binary ionic compound.

Correct AnswerverifiedShow Answer

Aluminum sulfate, calcium oxide, and water react together in a process used to remove solids from treated water.Which set of formulas is correct?

Correct AnswerverifiedShow Answer

Which of the following is the correct formula for the compound with the name aluminum sulfide?

Correct AnswerverifiedShow Answer

The images in the figure represent aqueous solutions of ionic compounds.Which could correspond to Na2S?

Correct AnswerverifiedShow Answer

Which of the following formulas for a compound containing the Cr2+ ion is incorrect?

Correct AnswerverifiedShow Answer

The formula for calcium nitrate is:

Correct AnswerverifiedShow Answer

Which set of formulas is correct for the compounds ammonia, nitric acid, and nitrous acid, respectively?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Which of the following is the correct name for the compound Mn₂O₃?

Correct Answer
verified

What is the formula for a compound composed of Ca²⁺ ions and PO₄³^- ions?

Correct Answer
verified

Correct Answer
verified

The formula for the chlorate ion is ClO₃-.What is the formula for the perchlorate ion?

Correct Answer
verified

From their position in the periodic table, we would predict that both oxygen and sulfur would have a charge of 2^-in a binary ionic compound.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The images in the figure represent aqueous solutions of ionic compounds.Which could correspond to Na₂S?

Correct Answer
verified

Which of the following formulas for a compound containing the Cr²⁺ ion is incorrect?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified