Question 1

What is the formula for aluminum nitrite?

Accepted Answer

A)  Al2NO₂ 
B)  AlNO₃ 
C)  Al(NO₂)3 
D)  Al2(NO₃)3 
E)  Al2(NO₂)₂ 
A)  Al2NO₂ 
B)  AlNO₃ 
C)  Al(NO₂)3 
D)  Al2(NO₃)3 
E)  Al2(NO₂)₂

Question 2

What is the formula of the nitride ion?

Accepted Answer

A)  N3- 
B)  NO₂- 
C)  NO₃3- 
D)  NO₃2- 
E)  NO₃- 
A)  N3- 
B)  NO₂- 
C)  NO₃3- 
D)  NO₃2- 
E)  NO₃-

Question 3

What is the correct formula for the oxide ion?

Accepted Answer

A)  O₂- 
B)  O- 
C)  O+ 
D)  O₂+ 
E)  O₃+ 
A)  O₂- 
B)  O- 
C)  O+ 
D)  O₂+ 
E)  O₃+

Question 4

In a molecule with covalent bonding,

Accepted Answer

A)  oppositely charged ions are held together by strong electrical attractions. 
B)  atoms of metals form bonds to atoms of nonmetals. 
C)  atoms of different metals form bonds. 
D)  atoms are held together by sharing electrons. 
E)  atoms of noble gases are held together by attractions between oppositely charged ions. 
A)  oppositely charged ions are held together by strong electrical attractions. 
B)  atoms of metals form bonds to atoms of nonmetals. 
C)  atoms of different metals form bonds. 
D)  atoms are held together by sharing electrons. 
E)  atoms of noble gases are held together by attractions between oppositely charged ions.

Question 5

Identify each of the following compounds as covalent or ionic.
-Are hydrogen bonds stronger or weaker than covalent bonds?

Accepted Answer

The answer of Identify each of the following compounds as...

Question 6

Identify each of the following molecules as polar or nonpolar.
-hydrogen sulfide

Accepted Answer

The answer of Identify each of the following molecules as...

Question 7

Match the correct name of the polyatomic ions with the formulas given.
-PO₄3-

Accepted Answer

A) sulfate 
B) nitrate 
C) hydrogen carbonate 
D) hydroxide 
E) nitrite
F)oxide
G)phosphate..
H)carbonate
I)hydrogen sulfite
J)carbonite
K)sulfite.
L)hydrogen sulfate
M)phosphate 
A) sulfate 
B) nitrate 
C) hydrogen carbonate 
D) hydroxide 
E) nitrite
F)oxide
G)phosphate..
H)carbonate
I)hydrogen sulfite
J)carbonite
K)sulfite.
L)hydrogen sulfate
M)phosphate

Question 8

Identify each of the following molecules as polar or nonpolar.
-carbon dioxide

Accepted Answer

The answer of Identify each of the following molecules as...

Question 9

How many valence electrons are in the electron-dot structures for the elements in group 3A(13)?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  6 
A)  1 
B)  2 
C)  3 
D)  4 
E)  6

Question 10

Hydrogen sulfide, H₂S, has a shape similar to

Accepted Answer

A)  carbon dioxide. 
B)  carbon monoxide. 
C)  hydrogen chloride. 
D)  water. 
E)  carbon tetrachloride. 
A)  carbon dioxide. 
B)  carbon monoxide. 
C)  hydrogen chloride. 
D)  water. 
E)  carbon tetrachloride.

Question 11

How many lone pairs of electrons are in the electron-dot structure of H₂O?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 12

Identify each of the following compounds as covalent or ionic.
-potassium oxide

Accepted Answer

The answer of Identify each of the following compounds as...

Question 13

Identify each of the following compounds as covalent or ionic.
-carbon tetrachloride

Accepted Answer

The answer of Identify each of the following compounds as...

Question 14

The formula for a molecule formed from N and Cl would be

Accepted Answer

A)  NCl. 
B)  NCl₂. 
C)  NCl3. 
D)  N3Cl. 
E)  NCl5. 
A)  NCl. 
B)  NCl₂. 
C)  NCl3. 
D)  N3Cl. 
E)  NCl5.

Question 15

Match the correct name of the polyatomic ions with the formulas given.
-Al

Accepted Answer

A) 1- 
B) 0 
C) 2- 
D) 3+ 
E) 2+
F)1+ 
A) 1- 
B) 0 
C) 2- 
D) 3+ 
E) 2+
F)1+

Question 16

Match the correct name of the polyatomic ions with the formulas given.
-OH-

Accepted Answer

A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate. 
A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate.

Question 17

Which of the following represents the correct electron-dot structure for Cl?

Accepted Answer

A)    
B)    
C)  ${ \mathrm { Cl } } \cdot$ 
D)    
E)    
A)    
B)    
C)  ${ \mathrm { Cl } } \cdot$ 
D)    
E)

Question 18

Elements in group 2A(2) of the periodic table form ions with a charge of

Accepted Answer

A)  1+ . 
B)  1- . 
C)  2+ . 
D)  3+. 
E)  0. 
A)  1+ . 
B)  1- . 
C)  2+ . 
D)  3+. 
E)  0.

Question 19

Match the correct name of the polyatomic ions with the formulas given.
-NO₃-

Accepted Answer

A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate. 
A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate.

Question 20

The ammonia molecule ( NH3 ) is

Accepted Answer

A)  a polar molecule with polar bonds. 
B)  a nonpolar molecule with polar bonds. 
C)  a nonpolar molecule with nonpolar bonds. 
D)  a polar molecule with nonpolar bonds. 
E)  a polar molecule with ionic bonds. 
A)  a polar molecule with polar bonds. 
B)  a nonpolar molecule with polar bonds. 
C)  a nonpolar molecule with nonpolar bonds. 
D)  a polar molecule with nonpolar bonds. 
E)  a polar molecule with ionic bonds.

Exam 5: Compounds and Their Bonds

What is the formula for aluminum nitrite?

What is the formula of the nitride ion?

What is the correct formula for the oxide ion?

In a molecule with covalent bonding,

Identify each of the following compounds as covalent or ionic. -Are hydrogen bonds stronger or weaker than covalent bonds?

Identify each of the following molecules as polar or nonpolar. -hydrogen sulfide

Match the correct name of the polyatomic ions with the formulas given. -PO₄3-

Identify each of the following molecules as polar or nonpolar. -carbon dioxide

How many valence electrons are in the electron-dot structures for the elements in group 3A(13)?

Hydrogen sulfide, H₂S, has a shape similar to

How many lone pairs of electrons are in the electron-dot structure of H₂O?

Identify each of the following compounds as covalent or ionic. -potassium oxide

Identify each of the following compounds as covalent or ionic. -carbon tetrachloride

The formula for a molecule formed from N and Cl would be

Match the correct name of the polyatomic ions with the formulas given. -Al

Match the correct name of the polyatomic ions with the formulas given. -OH-

Which of the following represents the correct electron-dot structure for Cl?

Elements in group 2A(2) of the periodic table form ions with a charge of

Match the correct name of the polyatomic ions with the formulas given. -NO₃-

The ammonia molecule ( NH3 ) is

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

Match the correct name of the polyatomic ions with the formulas given. -PO₄^3-

The ammonia molecule ( NH₃ ) is