Question 1

What is the formula for the acetate polyatomic ion?

Accepted Answer

A) C3H2O3- 
B) C2H3O22- 
C) C2H3O2- 
D) C2H3O- 
E) none of the above 
A) C3H2O3- 
B) C2H3O22- 
C) C2H3O2- 
D) C2H3O- 
E) none of the above

Question 2

The basic unit of an ionic compound is called the formula unit.

Accepted Answer

A) True 
 B)False

Question 3

What is the name of the ionic compound made of beryllium and chlorine?

Accepted Answer

A) beryllium(II)chloride 
B) beryllium dichloride 
C) beryllium chloride 
D) monoberyllium dichloride 
E) none of the above 
A) beryllium(II)chloride 
B) beryllium dichloride 
C) beryllium chloride 
D) monoberyllium dichloride 
E) none of the above

Question 4

What is the name of the molecular compound SF5?

Accepted Answer

A) sulfur hexafluoride 
B) sulfur heptafluoride 
C) monosulfur tetrafluoride 
D) sulfur pentafluoride 
E) none of the above 
A) sulfur hexafluoride 
B) sulfur heptafluoride 
C) monosulfur tetrafluoride 
D) sulfur pentafluoride 
E) none of the above

Question 5

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms?

Accepted Answer

A) O10P4 
B) 10OP4 
C) 4PO10 
D) P4O10 
E) none of the above 
A) O10P4 
B) 10OP4 
C) 4PO10 
D) P4O10 
E) none of the above

Question 6

What is the proper name for HBr (aq)?

Accepted Answer

A) hydrobromous acid 
B) hydrousbromic acid 
C) hydrobromic acid 
D) bromous acid 
E) none of the above 
A) hydrobromous acid 
B) hydrousbromic acid 
C) hydrobromic acid 
D) bromous acid 
E) none of the above

Question 7

What is the name of the compound whose formula is Na2O?

Accepted Answer

A) sodium monoxide 
B) disodium oxide 
C) disodium monoxide 
D) sodium oxide 
E) none of the above 
A) sodium monoxide 
B) disodium oxide 
C) disodium monoxide 
D) sodium oxide 
E) none of the above

Question 8

What is the name of CoS?

Accepted Answer

A) cobalt(II)sulfide 
B) cobalt sulfide 
C) cobalt monosulfide 
D) cobaltous sulfur 
E) none of the above 
A) cobalt(II)sulfide 
B) cobalt sulfide 
C) cobalt monosulfide 
D) cobaltous sulfur 
E) none of the above

Question 9

Which of the following statements about chemical formulas is FALSE?

Accepted Answer

A) The subscripts represent the relative number of each type of atom in the compound. 
B) The subscripts represent the relative mass of each type of atom in the compound. 
C) The subscripts do not change for a given compound. 
D) Different compounds made of the same elements have different subscripts. 
E) All of the statements are true. 
A) The subscripts represent the relative number of each type of atom in the compound. 
B) The subscripts represent the relative mass of each type of atom in the compound. 
C) The subscripts do not change for a given compound. 
D) Different compounds made of the same elements have different subscripts. 
E) All of the statements are true.

Question 10

What is the name of Ca(NO3)2?

Accepted Answer

A) calcium dinitrite 
B) calcium nitrate 
C) calcium nitride 
D) calcium nitrite 
E) none of the above 
A) calcium dinitrite 
B) calcium nitrate 
C) calcium nitride 
D) calcium nitrite 
E) none of the above

Question 11

The ionic compound that forms between Mg and O is MgO.

Accepted Answer

A) True 
 B)False

Question 12

Fluorine is considered which of the following?

Accepted Answer

A) atomic element 
B) molecular element 
C) molecular compound 
D) ionic compound 
E) none of the above 
A) atomic element 
B) molecular element 
C) molecular compound 
D) ionic compound 
E) none of the above

Question 13

Life could not exist with just 91 elements if they did not combine to form compounds.

Accepted Answer

A) True 
 B)False

Question 14

How many of each type of atom are there in the formula Ca3(PO4)2?

Accepted Answer

A) Ca = 3,P = 1,O = 4 
B) Ca = 3,P = 2,O = 4 
C) Ca = 3,P = 2,O = 8 
D) Ca = 3,P = 1,O = 8 
E) none of the above 
A) Ca = 3,P = 1,O = 4 
B) Ca = 3,P = 2,O = 4 
C) Ca = 3,P = 2,O = 8 
D) Ca = 3,P = 1,O = 8 
E) none of the above

Question 15

What is the name of the molecular compound SO3?

Accepted Answer

A) sulfur oxide 
B) sulfur(IV)oxide 
C) sulfur trioxide 
D) sulfur tetraoxide 
E) none of the above 
A) sulfur oxide 
B) sulfur(IV)oxide 
C) sulfur trioxide 
D) sulfur tetraoxide 
E) none of the above

Question 16

What is the correct formula for potassium dichromate?

Accepted Answer

A) K(CrO4)2 
B) KCr2O7 
C) K2CrO4 
D) K2Cr2O7 
E) none of the above 
A) K(CrO4)2 
B) KCr2O7 
C) K2CrO4 
D) K2Cr2O7 
E) none of the above

Question 17

The ionic compound that forms between aluminum and oxygen is AlO.

Accepted Answer

A) True 
 B)False

Question 18

Although some substances we encounter in our routine lives are elements,most occur in the combined state.

Accepted Answer

A) True 
 B)False

Question 19

The formula for potassium chlorate is KClO3.The formula for magnesium chloride is MgCl2.What is the formula for magnesium chlorate?

Accepted Answer

A) MgClO3 
B) Mg2ClO3 
C) Mg(ClO3)2 
D) Mg2(ClO3)3 
E) none of the above 
A) MgClO3 
B) Mg2ClO3 
C) Mg(ClO3)2 
D) Mg2(ClO3)3 
E) none of the above

Question 20

The correct name for HNO3 is hydronitric acid.

Accepted Answer

A) True 
 B)False

What is the formula for the acetate polyatomic ion?

The basic unit of an ionic compound is called the formula unit.

What is the name of the ionic compound made of beryllium and chlorine?

What is the name of the molecular compound SF₅?

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms?

What is the proper name for HBr (aq)?

What is the name of the compound whose formula is Na₂O?

What is the name of CoS?

Which of the following statements about chemical formulas is FALSE?

What is the name of Ca(NO₃)₂?

The ionic compound that forms between Mg and O is MgO.

Fluorine is considered which of the following?

Life could not exist with just 91 elements if they did not combine to form compounds.

How many of each type of atom are there in the formula Ca₃(PO₄)₂?

What is the name of the molecular compound SO₃?

What is the correct formula for potassium dichromate?

The ionic compound that forms between aluminum and oxygen is AlO.

Although some substances we encounter in our routine lives are elements,most occur in the combined state.

The formula for potassium chlorate is KClO₃.The formula for magnesium chloride is MgCl₂.What is the formula for magnesium chlorate?

The correct name for HNO₃ is hydronitric acid.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 5: Molecules and Compounds

What is the formula for the acetate polyatomic ion?

The basic unit of an ionic compound is called the formula unit.

What is the name of the ionic compound made of beryllium and chlorine?

What is the name of the molecular compound SF5?

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms?

What is the proper name for HBr (aq)?

What is the name of the compound whose formula is Na2O?

What is the name of CoS?

Which of the following statements about chemical formulas is FALSE?

What is the name of Ca(NO3)2?

The ionic compound that forms between Mg and O is MgO.

Fluorine is considered which of the following?

Life could not exist with just 91 elements if they did not combine to form compounds.

How many of each type of atom are there in the formula Ca3(PO4)2?

What is the name of the molecular compound SO3?

What is the correct formula for potassium dichromate?

The ionic compound that forms between aluminum and oxygen is AlO.

Although some substances we encounter in our routine lives are elements,most occur in the combined state.

The formula for potassium chlorate is KClO3.The formula for magnesium chloride is MgCl2.What is the formula for magnesium chlorate?

The correct name for HNO3 is hydronitric acid.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

What is the name of the molecular compound SF₅?

What is the name of the compound whose formula is Na₂O?

What is the name of Ca(NO₃)₂?

How many of each type of atom are there in the formula Ca₃(PO₄)₂?

What is the name of the molecular compound SO₃?

The formula for potassium chlorate is KClO₃.The formula for magnesium chloride is MgCl₂.What is the formula for magnesium chlorate?

The correct name for HNO₃ is hydronitric acid.