Question 1

K+ and Cl- have the same electronic configuration as argon.

Accepted Answer

A) True 
 B)False  True

Question 2

In what part of the human body is nitric oxide,NO,produced?

Accepted Answer

A) the brain 
B) the heart 
C) blood vessels 
D) the skin 
A) the brain 
B) the heart 
C) blood vessels 
D) the skin C

Question 3

Consider the following geometric shapes.Which one is a tetrahedral?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)    A

Question 4

Which of the following correctly illustrates hydrogen bonding in water?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

Which is the correct name for UF6?

Accepted Answer

A) uranyl fluoride 
B) uranium hexafluoride 
C) uranium (VI)fluoride 
D) uranium (IV)fluoride 
A) uranyl fluoride 
B) uranium hexafluoride 
C) uranium (VI)fluoride 
D) uranium (IV)fluoride

Question 6

Nitrogen is more electronegative than oxygen.

Accepted Answer

A) True 
 B)False

Question 7

The usefulness of ZnO as a topical astringent is well established.

Accepted Answer

A) True 
 B)False

Question 8

What is the formula mass of the compound formed between Al3+ and Cl-?

Accepted Answer

A) 187.5 u 
B) 62.5 u 
C) 116.5 u 
D) 133.5 u 
A) 187.5 u 
B) 62.5 u 
C) 116.5 u 
D) 133.5 u

Question 9

The molecular structure of water should be

Accepted Answer

A) linear because of the electron configuration of the oxygen atom. 
B) flat triangular because water contains 3 atoms. 
C) bent because of the unshared electrons on the molecule. 
D) undetermined as there is no way to predict the shape of the water molecule. 
A) linear because of the electron configuration of the oxygen atom. 
B) flat triangular because water contains 3 atoms. 
C) bent because of the unshared electrons on the molecule. 
D) undetermined as there is no way to predict the shape of the water molecule.

Question 10

What single condition is required to insure that a molecule will be polar covalent?

Accepted Answer

A) a bond between like atoms 
B) a bond between atoms that are different in electronegativity 
C) a bond between atoms that are of widely different atomic weights 
D) none of the choices 
A) a bond between like atoms 
B) a bond between atoms that are different in electronegativity 
C) a bond between atoms that are of widely different atomic weights 
D) none of the choices

Question 11

Which pair of elements will be further apart in electronegativity?

Accepted Answer

A) Cl and F 
B) Li and Cl 
C) Mn and Se 
D) U and Cs 
A) Cl and F 
B) Li and Cl 
C) Mn and Se 
D) U and Cs

Question 12

The formula weight of an ionic compound is analogous to a molecular weight of a covalent compound.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following distinguishing electron configurations is characteristic of noble gases?

Accepted Answer

A) nf14 
B) nd10 
C) np6 
D) ns2 
A) nf14 
B) nd10 
C) np6 
D) ns2

Question 14

Which interparticle forces would you expect to find in a sample of the element lithium?

Accepted Answer

A) covalent 
B) dispersion 
C) ionic 
D) metallic 
A) covalent 
B) dispersion 
C) ionic 
D) metallic

Question 15

Which of the following reactions would not produce an octet of electrons in the ion product?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 16

Eating foods rich in _____ has been shown to help reduce hypertension.

Accepted Answer

A) chloride 
B) iron 
C) sodium 
D) potassium 
A) chloride 
B) iron 
C) sodium 
D) potassium

Question 17

A polyatomic ion is a species that has both ionic and covalent bonding.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following covalent molecules contains polar bonds?

Accepted Answer

A)    
B)    
C)    
D) more than one response is correct 
A)    
B)    
C)    
D) more than one response is correct

Question 19

Arrange the following bonds in order of increasing bond polarity.

Accepted Answer

A) C-O < P-O < Cl-O 
B) Cl-O < C-O < P-O 
C) P-O < Cl-O < C-O 
D) C-O < Cl-O < P-O 
A) C-O < P-O < Cl-O 
B) Cl-O < C-O < P-O 
C) P-O < Cl-O < C-O 
D) C-O < Cl-O < P-O

Question 20

The correct name for KHPO4 is _____ .

Accepted Answer

A) potassium phosphate 
B) monopotassium phosphate 
C) potassium hydrogen phosphate 
D) KHPO4 is not a compound 
A) potassium phosphate 
B) monopotassium phosphate 
C) potassium hydrogen phosphate 
D) KHPO4 is not a compound

Exam 4: Forces Between Particles

K+ and Cl- have the same electronic configuration as argon.

In what part of the human body is nitric oxide,NO,produced?

Consider the following geometric shapes.Which one is a tetrahedral?

Which of the following correctly illustrates hydrogen bonding in water?

Which is the correct name for UF6?

Nitrogen is more electronegative than oxygen.

The usefulness of ZnO as a topical astringent is well established.

What is the formula mass of the compound formed between Al3+ and Cl-?

The molecular structure of water should be

What single condition is required to insure that a molecule will be polar covalent?

Which pair of elements will be further apart in electronegativity?

The formula weight of an ionic compound is analogous to a molecular weight of a covalent compound.

Which of the following distinguishing electron configurations is characteristic of noble gases?

Which interparticle forces would you expect to find in a sample of the element lithium?

Which of the following reactions would not produce an octet of electrons in the ion product?

Eating foods rich in _____ has been shown to help reduce hypertension.

A polyatomic ion is a species that has both ionic and covalent bonding.

Which of the following covalent molecules contains polar bonds?

Arrange the following bonds in order of increasing bond polarity.

The correct name for KHPO4 is _____ .

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

K⁺ and Cl^- have the same electronic configuration as argon.

Which is the correct name for UF₆?

What is the formula mass of the compound formed between Al³⁺ and Cl^-?

The correct name for KHPO₄ is _____ .