Question 1

Which of the following elements is named for a continent?

Accepted Answer

A)  As 
B)  Au 
C)  Eu 
D)  all of them 
A)  As 
B)  Au 
C)  Eu 
D)  all of them

Question 2

Which of the following correctly describes a proton?

Accepted Answer

A)  on the scale of subatomic particles it is massive and has a +1 charge 
B)  on the scale of subatomic particles it is massive and has a -1 charge 
C)  on the scale of subatomic particles it is light and has a +1 charge 
D)  on the scale of subatomic particles it is light and has a -1 charge 
A)  on the scale of subatomic particles it is massive and has a +1 charge 
B)  on the scale of subatomic particles it is massive and has a -1 charge 
C)  on the scale of subatomic particles it is light and has a +1 charge 
D)  on the scale of subatomic particles it is light and has a -1 charge

Question 3

How many electrons can be accommodated in the 3d subshell?

Accepted Answer

A)  3 
B)  6 
C)  10 
D)  18 
A)  3 
B)  6 
C)  10 
D)  18

Question 4

Which of the following contains two species which are a pair of isotopes?

Accepted Answer

A)  14C, 14N 
B)  12C, 13C 
C)  both a and b 
D)  neither a nor b 
A)  14C, 14N 
B)  12C, 13C 
C)  both a and b 
D)  neither a nor b

Question 5

What are the elements in the "A" columns of the periodic table called?

Accepted Answer

A)  main group elements 
B)  inner transition elements 
C)  metalloids 
D)  transition elements 
A)  main group elements 
B)  inner transition elements 
C)  metalloids 
D)  transition elements

Question 6

Atoms of which of the following elements are largest?

Accepted Answer

A)  Cl 
B)  P 
C)  S 
D)  None, they are all the same size. 
A)  Cl 
B)  P 
C)  S 
D)  None, they are all the same size.

Question 7

If you could line up atoms of lead-208, approximately how many atoms would you need to line up in order for them to form a line 1 inch long?

Accepted Answer

A)  82 
B)  208 
C)  8.2 x 107 
D)  1.6 x 1012 
A)  82 
B)  208 
C)  8.2 x 107 
D)  1.6 x 1012

Question 8

Which of the following statements, all of which were part of Dalton's atomic theory, was later shown to be false?

Accepted Answer

A)  All matter is made up of very tiny indivisible particles called atoms. 
B)  All atoms of the same element have the same chemical properties. 
C)  Compounds are formed by the chemical combination of two or more elements. 
D)  A molecule is a tightly bound combination of two or more atoms that acts as a single unit. 
A)  All matter is made up of very tiny indivisible particles called atoms. 
B)  All atoms of the same element have the same chemical properties. 
C)  Compounds are formed by the chemical combination of two or more elements. 
D)  A molecule is a tightly bound combination of two or more atoms that acts as a single unit.

Question 9

Which of the following types of orbitals can hold a maximum of 10 electrons when filled?

Accepted Answer

A)  s 
B)  p 
C)  d 
D)  f 
A)  s 
B)  p 
C)  d 
D)  f

Question 10

Which of the following products are formed when potassium reacts with water?

Accepted Answer

A)  KH + O2 
B)  KO + H2 
C)  KOH + H2 
D)  K2O + H2 
A)  KH + O2 
B)  KO + H2 
C)  KOH + H2 
D)  K2O + H2

Question 11

How many unpaired electrons are there in a carbon atom in its ground state?

Accepted Answer

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

Question 12

Which of the following correctly represents the electronic configuration of sulfur?

Accepted Answer

A)  1s22s22p63s23p4 
B)  1s22s22p63s23px23py13pz1 
C)  [Ne]3s23p4 
D)  all of them 
A)  1s22s22p63s23p4 
B)  1s22s22p63s23px23py13pz1 
C)  [Ne]3s23p4 
D)  all of them

Question 13

Atoms of which of the following elements are largest?

Accepted Answer

A)  Rb 
B)  K 
C)  Na 
D)  None, they are all the same size. 
A)  Rb 
B)  K 
C)  Na 
D)  None, they are all the same size.

Question 14

If you could line up the nuclei of lead-208, approximately how many nuclei would you need to line up in order for them to form a line 1 inch long?

Accepted Answer

A)  82 
B)  208 
C)  8.2 x 107 
D)  1.6 x 1012 
A)  82 
B)  208 
C)  8.2 x 107 
D)  1.6 x 1012

Question 15

Which of the following correctly describe ionization energies?

Accepted Answer

A)  Ionization energies are always positive, the process is always endothermic. 
B)  Ionization energies generally increases as we go from top to bottom within a column of the periodic table. 
C)  both a and b 
D)  neither a nor b 
A)  Ionization energies are always positive, the process is always endothermic. 
B)  Ionization energies generally increases as we go from top to bottom within a column of the periodic table. 
C)  both a and b 
D)  neither a nor b

Question 16

Atoms of which of the following elements are smallest?

Accepted Answer

A)  Rb 
B)  K 
C)  Na 
D)  None, they are all the same size. 
A)  Rb 
B)  K 
C)  Na 
D)  None, they are all the same size.

Question 17

Which of the following is true of the atomic weight of an element?

Accepted Answer

A)  It is the weight of heaviest isotope. 
B)  It is the weight lightest isotope. 
C)  It is the weight of the most abundant isotope. 
D)  It is a weighted average obtained from the weights and abundances of the isotopes. 
A)  It is the weight of heaviest isotope. 
B)  It is the weight lightest isotope. 
C)  It is the weight of the most abundant isotope. 
D)  It is a weighted average obtained from the weights and abundances of the isotopes.

Question 18

Which of the following has the highest ionization energy?

Accepted Answer

A)  Cl 
B)  F 
C)  N 
D)  O 
A)  Cl 
B)  F 
C)  N 
D)  O

Question 19

The number of valence electrons of a main group element is related to which of the following?

Accepted Answer

A)  the element's atomic number 
B)  the element's atomic weight 
C)  the element's column number 
D)  none of the above 
A)  the element's atomic number 
B)  the element's atomic weight 
C)  the element's column number 
D)  none of the above

Question 20

Aluminum and fluorine form a compound in which the aluminum to fluorine ratio is 1:3. What is the correct formula for this compound?

Accepted Answer

A)  AF3 
B)  AlFl3 
C)  AlF3 
D)  Al(F2)3 
A)  AF3 
B)  AlFl3 
C)  AlF3 
D)  Al(F2)3

Exam 2: Atoms

Which of the following elements is named for a continent?

Which of the following correctly describes a proton?

How many electrons can be accommodated in the 3d subshell?

Which of the following contains two species which are a pair of isotopes?

What are the elements in the "A" columns of the periodic table called?

Atoms of which of the following elements are largest?

If you could line up atoms of lead-208, approximately how many atoms would you need to line up in order for them to form a line 1 inch long?

Which of the following statements, all of which were part of Dalton's atomic theory, was later shown to be false?

Which of the following types of orbitals can hold a maximum of 10 electrons when filled?

Which of the following products are formed when potassium reacts with water?

How many unpaired electrons are there in a carbon atom in its ground state?

Which of the following correctly represents the electronic configuration of sulfur?

Atoms of which of the following elements are largest?

If you could line up the nuclei of lead-208, approximately how many nuclei would you need to line up in order for them to form a line 1 inch long?

Which of the following correctly describe ionization energies?

Atoms of which of the following elements are smallest?

Which of the following is true of the atomic weight of an element?

Which of the following has the highest ionization energy?

The number of valence electrons of a main group element is related to which of the following?

Aluminum and fluorine form a compound in which the aluminum to fluorine ratio is 1:3. What is the correct formula for this compound?

Matter, Energy, and Measurement

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

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Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

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