Question 1

18.01 g of water (H2O) and 36.46 g of HCl contain the same number of molecules.

Accepted Answer

A) True 
 B)False

Question 2

The element Co (cobalt) satisfies the octet rule.

Accepted Answer

A) True 
 B)False

Question 3

Completion
Phosgene is a compound used as a building block of some pharmaceuticals. It contains two chlorine atoms, one oxygen atom, and one carbon atom. Complete the following statement using the appropriate chemical symbol for the elements.
-In the Lewis structure for phosgene, there is a double bond between_____________________and ____________________.

Accepted Answer

C, O
O, C

Question 4

Draw the Lewis structure for the following using lines to represent bonding electron pairs. CS2

Accepted Answer

Question 5

What is the mass of 1.00 mol of sulfur trioxide?

Accepted Answer

A)  48.06 g 
B)  80.06 g 
C)  32.06 g 
D)  112.18 g 
A)  48.06 g 
B)  80.06 g 
C)  32.06 g 
D)  112.18 g

Question 6

The anion in an ionic compound whose name ends in "-ide" is

Accepted Answer

A)  always a monoatomic ion. 
B)  always a polyatomic ion. 
C)  either a monoatomic or polyatomic ion. 
D)  positively charged. 
A)  always a monoatomic ion. 
B)  always a polyatomic ion. 
C)  either a monoatomic or polyatomic ion. 
D)  positively charged.

Question 7

The correct name for K2SO4 is

Accepted Answer

A)  potassium sulfate. 
B)  potassium sulfide. 
C)  potassium sulfite. 
D)  potassium tetrasulfoxygen. 
A)  potassium sulfate. 
B)  potassium sulfide. 
C)  potassium sulfite. 
D)  potassium tetrasulfoxygen.

Question 8

An element with the following Lewis structure would most likely form how many covalent bonds?

Accepted Answer

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

Question 9

In order to satisfy the octet rule, an atom with the following electron arrangement can shell 1: 2 electrons shell 2: 8 electrons shell 3: 5 electrons

Accepted Answer

A)  gain three electrons. 
B)  gain two electrons. 
C)  gain one electron. 
D)  lose three electrons. 
A)  gain three electrons. 
B)  gain two electrons. 
C)  gain one electron. 
D)  lose three electrons.

Question 10

Consider the molecule shown below. ClCFBrI Which element in this molecule is the central atom?

Accepted Answer

A)  Cl 
B)  C 
C)  F 
D)  Br 
E)  I 
A)  Cl 
B)  C 
C)  F 
D)  Br 
E)  I

Question 11

The correct formula of an ionic compound containing Fe2+ and ClO   is

Accepted Answer

A)  FeClO4 
B)  Fe2(ClO4)3 
C)  Fe(ClO4)2 
D)  Fe3(ClO4)2 
A)  FeClO4 
B)  Fe2(ClO4)3 
C)  Fe(ClO4)2 
D)  Fe3(ClO4)2

Question 12

oxygen
The following is the Lewis structure for the compound commonly known as acetylene   Fill in the blanks with the appropriate integer including zero if necessary (0, 1, 2, 3, etc.).
-There are____________________single bonds in acetlyene.

Accepted Answer

The answer of oxygen
The following is the Lewis structure for...

Question 13

Draw the Lewis structure for the following using lines to represent bonding electron pairs. H2O2

Accepted Answer

Question 14

Which atom will be positively charged (if any) in the following bond? Enter the symbol for the element or none as appropriate in the blank. P-P ________

Accepted Answer

The answer of Which atom will be positively charged (if...

Question 15

What is the name of the species formed when a bromine atom gains an electron?

Accepted Answer

A)  bromate 
B)  bromide ion 
C)  bromine 
D)  bromine ion 
A)  bromate 
B)  bromide ion 
C)  bromine 
D)  bromine ion

Question 16

Write the name that corresponds to the formula given below. NF3

Accepted Answer

nitrogen t

Question 17

In the following compound, phosphorus (P) would be at the center of the molecule. PBrClF

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a correct electron dot formula for ICl?

Accepted Answer

A)    
B)    
C)    
D)    
E)   
F)   
A)    
B)    
C)    
D)    
E)   
F)

Question 19

N3- and O2- have the same number of _____________________.

Accepted Answer

electrons

Question 20

What is the formula for the compound named as tetraphosphorus decoxide? Assume "deca" represents 10.

Accepted Answer

A)  P4O10 
B)  P2O5 
C)  P10O4 
D)  PO4 
A)  P4O10 
B)  P2O5 
C)  P10O4 
D)  PO4

18.01 g of water (H₂O) and 36.46 g of HCl contain the same number of molecules.

The element Co (cobalt) satisfies the octet rule.

Draw the Lewis structure for the following using lines to represent bonding electron pairs. CS₂

What is the mass of 1.00 mol of sulfur trioxide?

The anion in an ionic compound whose name ends in "-ide" is

The correct name for K₂SO₄ is

An element with the following Lewis structure would most likely form how many covalent bonds?

In order to satisfy the octet rule, an atom with the following electron arrangement can shell 1: 2 electrons shell 2: 8 electrons shell 3: 5 electrons

Consider the molecule shown below. ClCFBrI Which element in this molecule is the central atom?

The correct formula of an ionic compound containing Fe²⁺ and ClO is

oxygen The following is the Lewis structure for the compound commonly known as acetylene Fill in the blanks with the appropriate integer including zero if necessary (0, 1, 2, 3, etc.). -There are____________________single bonds in acetlyene.

Draw the Lewis structure for the following using lines to represent bonding electron pairs. H₂O₂

Which atom will be positively charged (if any) in the following bond? Enter the symbol for the element or none as appropriate in the blank. P-P ________

What is the name of the species formed when a bromine atom gains an electron?

Write the name that corresponds to the formula given below. NF₃

In the following compound, phosphorus (P) would be at the center of the molecule. PBrClF

Which of the following is a correct electron dot formula for ICl?

N^3- and O^2- have the same number of _____________________.

What is the formula for the compound named as tetraphosphorus decoxide? Assume "deca" represents 10.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 3: Chemical Bonds

18.01 g of water (H2O) and 36.46 g of HCl contain the same number of molecules.

The element Co (cobalt) satisfies the octet rule.

Draw the Lewis structure for the following using lines to represent bonding electron pairs. CS2

What is the mass of 1.00 mol of sulfur trioxide?

The anion in an ionic compound whose name ends in "-ide" is

The correct name for K2SO4 is

An element with the following Lewis structure would most likely form how many covalent bonds?

In order to satisfy the octet rule, an atom with the following electron arrangement can shell 1: 2 electrons shell 2: 8 electrons shell 3: 5 electrons

Consider the molecule shown below. ClCFBrI Which element in this molecule is the central atom?

The correct formula of an ionic compound containing Fe2+ and ClO is

oxygen The following is the Lewis structure for the compound commonly known as acetylene Fill in the blanks with the appropriate integer including zero if necessary (0, 1, 2, 3, etc.). -There are____________________single bonds in acetlyene.

Draw the Lewis structure for the following using lines to represent bonding electron pairs. H2O2

Which atom will be positively charged (if any) in the following bond? Enter the symbol for the element or none as appropriate in the blank. P-P ________

What is the name of the species formed when a bromine atom gains an electron?

Write the name that corresponds to the formula given below. NF3

In the following compound, phosphorus (P) would be at the center of the molecule. PBrClF

Which of the following is a correct electron dot formula for ICl?

N3- and O2- have the same number of _____________________.

What is the formula for the compound named as tetraphosphorus decoxide? Assume "deca" represents 10.

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

18.01 g of water (H₂O) and 36.46 g of HCl contain the same number of molecules.

Draw the Lewis structure for the following using lines to represent bonding electron pairs. CS₂

The correct name for K₂SO₄ is

The correct formula of an ionic compound containing Fe²⁺ and ClO is

Draw the Lewis structure for the following using lines to represent bonding electron pairs. H₂O₂

Write the name that corresponds to the formula given below. NF₃

N^3- and O^2- have the same number of _____________________.