Question 1

Phosphorus must gain three electrons to obey the octet rule.

Accepted Answer

A) True 
 B)False  True

Question 2

How many electrons are associated with a double bond?

Accepted Answer

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

Question 3

How many bonding electron pairs are represented in the following Lewis structure?

Accepted Answer

A) 2 
B) 4 
C) 8 
D) 12 
A) 2 
B) 4 
C) 8 
D) 12 A

Question 4

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 5

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.
-The central atom in phosgene is_____________________.

Accepted Answer

The answer of Phosgene is a compound used as a...

Question 6

Sodium loses an electron in forming an ion which gives the ion a +1 charge.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is an acceptable way to represent dinitrogen monoxide?

Accepted Answer

A) N2O 
B) nitric oxide 
C) NO2 
D) both a and b 
A) N2O 
B) nitric oxide 
C) NO2 
D) both a and b

Question 8

Aluminum and oxygen form a compound with the formula Al2O3. Oxygen and gallium (Ga) could from a compound with a formula unit containing two oxygen atoms and three gallium atoms.

Accepted Answer

A) True 
 B)False

Question 9

How many bonds does a carbon atom typically form?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 10

Which Group 5A element has the strongest attraction for electrons? Enter the chemical symbol in the blank.
________

Accepted Answer

The answer of Which Group 5A element has the strongest...

Question 11

Write the formula that corresponds to the name given below.
phosphorous trichloride

Accepted Answer

The answer of Write the formula that corresponds to the...

Question 12

Based on electronegativity values, in the bond shown below, nitrogen will have the negative charge.
H-N

Accepted Answer

A) True 
 B)False

Question 13

Potassium tends to form a cation (K+).

Accepted Answer

A) True 
 B)False

Question 14

The element Co (cobalt) satisfies the octet rule.

Accepted Answer

A) True 
 B)False

Question 15

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 The following is the Lewis structure for...

Question 16

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 17

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 18

Examine the following image showing a "subatomic" level diagram of two atoms forming a bond.   The type of bond formed is a single covalent bond.

Accepted Answer

A) True 
 B)False

Question 19

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.).
-Acetylene contains_____________________nonbonding electrons.

Accepted Answer

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

Question 20

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.).
-__________________atoms in acetylene obey the octet rule.

Accepted Answer

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

Phosphorus must gain three electrons to obey the octet rule.

How many electrons are associated with a double bond?

How many bonding electron pairs are represented in the following Lewis structure?

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

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. -The central atom in phosgene is_____________________.

Sodium loses an electron in forming an ion which gives the ion a +1 charge.

Which of the following is an acceptable way to represent dinitrogen monoxide?

Aluminum and oxygen form a compound with the formula Al₂O₃. Oxygen and gallium (Ga) could from a compound with a formula unit containing two oxygen atoms and three gallium atoms.

How many bonds does a carbon atom typically form?

Which Group 5A element has the strongest attraction for electrons? Enter the chemical symbol in the blank. ________

Write the formula that corresponds to the name given below. phosphorous trichloride

Based on electronegativity values, in the bond shown below, nitrogen will have the negative charge. H-N

Potassium tends to form a cation (K⁺).

The element Co (cobalt) satisfies the octet rule.

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.

The correct name for K₂SO₄ is

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

Examine the following image showing a "subatomic" level diagram of two atoms forming a bond. The type of bond formed is a single covalent bond.

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.). -Acetylene contains_____________________nonbonding electrons.

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.). -__________________atoms in acetylene obey the octet rule.

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

Phosphorus must gain three electrons to obey the octet rule.

How many electrons are associated with a double bond?

How many bonding electron pairs are represented in the following Lewis structure?

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

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. -The central atom in phosgene is_____________________.

Sodium loses an electron in forming an ion which gives the ion a +1 charge.

Which of the following is an acceptable way to represent dinitrogen monoxide?

Aluminum and oxygen form a compound with the formula Al2O3. Oxygen and gallium (Ga) could from a compound with a formula unit containing two oxygen atoms and three gallium atoms.

How many bonds does a carbon atom typically form?

Which Group 5A element has the strongest attraction for electrons? Enter the chemical symbol in the blank. ________

Write the formula that corresponds to the name given below. phosphorous trichloride

Based on electronegativity values, in the bond shown below, nitrogen will have the negative charge. H-N

Potassium tends to form a cation (K+).

The element Co (cobalt) satisfies the octet rule.

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.

The correct name for K2SO4 is

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

Examine the following image showing a "subatomic" level diagram of two atoms forming a bond. The type of bond formed is a single covalent bond.

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.). -Acetylene contains_____________________nonbonding electrons.

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.). -__________________atoms in acetylene obey the octet rule.

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

Aluminum and oxygen form a compound with the formula Al₂O₃. Oxygen and gallium (Ga) could from a compound with a formula unit containing two oxygen atoms and three gallium atoms.

Potassium tends to form a cation (K⁺).

The correct name for K₂SO₄ is