Question 1

Which group contains only metalloids?

Accepted Answer

A) Ni,Pd,Pt 
B) Si,Ge,As 
C) Ce,Pr,Nd 
D) Kr,Xe,Rn 
E) Po,Fr,Ac 
A) Ni,Pd,Pt 
B) Si,Ge,As 
C) Ce,Pr,Nd 
D) Kr,Xe,Rn 
E) Po,Fr,Ac

Question 2

How many electrons can occupy the shell having n = 2?

Accepted Answer

A) 2 
B) 6 
C) 8 
D) 18 
E) 32 
A) 2 
B) 6 
C) 8 
D) 18 
E) 32

Question 3

Where is most of the mass of an atom concentrated?

Accepted Answer

A) electrons 
B) neutrons 
C) nucleus 
D) orbitals 
E) protons 
A) electrons 
B) neutrons 
C) nucleus 
D) orbitals 
E) protons

Question 4

Protons possess a ________ charge,and electrons possess a ________ charge.

Accepted Answer

A) negative;negative 
B) negative;positive 
C) positive;negative 
D) positive;zero 
E) zero;positive 
A) negative;negative 
B) negative;positive 
C) positive;negative 
D) positive;zero 
E) zero;positive

Question 5

The value of Z for an atom containing 29 protons,29 electrons,and 34 neutrons,is

Accepted Answer

A) 5. 
B) 29. 
C) 34. 
D) 58. 
E) 63. 
A) 5. 
B) 29. 
C) 34. 
D) 58. 
E) 63.

Question 6

Which chemical symbol represents a non-metal?

Accepted Answer

A) Al 
B) B 
C) Ga 
D) Si 
E) P 
A) Al 
B) B 
C) Ga 
D) Si 
E) P

Question 7

Which of the following is an alkali metal?

Accepted Answer

A) Al 
B) Cl 
C) He 
D) Na 
E) O 
A) Al 
B) Cl 
C) He 
D) Na 
E) O

Question 8

What is the electron configuration of Mg?

Accepted Answer

A) 1s2 2s2 2p8 
B) 1s2 2s2 2p6 3s2 
C) 1s2 2s2 2p6 3s1 3p3 
D) 1s2 2s2 2p6 3s2 3p6 4s2 3d5 
E) none of the above 
A) 1s2 2s2 2p8 
B) 1s2 2s2 2p6 3s2 
C) 1s2 2s2 2p6 3s1 3p3 
D) 1s2 2s2 2p6 3s2 3p6 4s2 3d5 
E) none of the above

Question 9

Which element is most likely to have chemical properties similar to those of potassium (atomic number 19)?

Accepted Answer

A) Ar (atomic number 18) 
B) Ca (atomic number 20) 
C) Sc (atomic number 21) 
D) Rb (atomic number 37) 
E) Sr (atomic number 38) 
A) Ar (atomic number 18) 
B) Ca (atomic number 20) 
C) Sc (atomic number 21) 
D) Rb (atomic number 37) 
E) Sr (atomic number 38)

Question 10

Atoms of  Cl contain ________ protons and ________ electrons.

Accepted Answer

A) 17;17 
B) 17;18 
C) 18;17 
D) 35;18 
E) 35;17 
A) 17;17 
B) 17;18 
C) 18;17 
D) 35;18 
E) 35;17

Question 11

An s-block element in the 5th Period is

Accepted Answer

A) Y. 
B) As. 
C) Sr. 
D) Mo. 
E) Ag. 
A) Y. 
B) As. 
C) Sr. 
D) Mo. 
E) Ag.

Question 12

How many electrons can occupy the shell having n = 4?

Accepted Answer

A) 2 
B) 8 
C) 10 
D) 18 
E) 32 
A) 2 
B) 8 
C) 10 
D) 18 
E) 32

Question 13

An atom with a mass number of 58 and 32 neutrons will have ________ protons.

Accepted Answer

A) 16 
B) 26 
C) 32 
D) 58 
E) 90 
A) 16 
B) 26 
C) 32 
D) 58 
E) 90

Question 14

The electron capacity of the third shell is

Accepted Answer

A) 8. 
B) 10. 
C) 18. 
D) 24. 
E) 32. 
A) 8. 
B) 10. 
C) 18. 
D) 24. 
E) 32.

Question 15

How many electrons can occupy the 3d subshell?

Accepted Answer

A) 1 
B) 2 
C) 6 
D) 8 
E) 10 
A) 1 
B) 2 
C) 6 
D) 8 
E) 10

Question 16

What is the electron configuration of S?

Accepted Answer

A) 1s2 2s2 2p2 
B) 1s2 2s2 2p6 3s2 3p2 
C) 1s2 2s2 2p6 3s2 3p4 
D) 1s2 2s2 2p6 3s2 3p6 
E) 1s2 2s2 2p6 3s2 3p6 4s2 3d1 
A) 1s2 2s2 2p2 
B) 1s2 2s2 2p6 3s2 3p2 
C) 1s2 2s2 2p6 3s2 3p4 
D) 1s2 2s2 2p6 3s2 3p6 
E) 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Question 17

The element with the electron configuration
1s2 2s2 2p6 3s2 3p6 4s1 is

Accepted Answer

A) Rb. 
B) Ar. 
C) Ca. 
D) K. 
E) Mg. 
A) Rb. 
B) Ar. 
C) Ca. 
D) K. 
E) Mg.

Question 18

Which group contains only noble gases?

Accepted Answer

A) Ni,Pd,Pt 
B) Si,Ge,As 
C) Ce,Pr,Nd 
D) Kr,Xe,Rn 
E) Po,Fr,Ac 
A) Ni,Pd,Pt 
B) Si,Ge,As 
C) Ce,Pr,Nd 
D) Kr,Xe,Rn 
E) Po,Fr,Ac

Question 19

The value of A for an atom containing 29 protons,29 electrons,and 34 neutrons is

Accepted Answer

A) 5. 
B) 29. 
C) 34. 
D) 58. 
E) 63. 
A) 5. 
B) 29. 
C) 34. 
D) 58. 
E) 63.

Question 20

Consider the isotope  
Br.The atomic number is ________,and the mass number is ________.

Accepted Answer

A) 79;35 
B) 35;79 
C) 44;35 
D) 35;44 
E) 35;114 
A) 79;35 
B) 35;79 
C) 44;35 
D) 35;44 
E) 35;114

Exam 2: Atoms and the Periodic Table

Which group contains only metalloids?

How many electrons can occupy the shell having n = 2?

Where is most of the mass of an atom concentrated?

Protons possess a ________ charge,and electrons possess a ________ charge.

The value of Z for an atom containing 29 protons,29 electrons,and 34 neutrons,is

Which chemical symbol represents a non-metal?

Which of the following is an alkali metal?

What is the electron configuration of Mg?

Which element is most likely to have chemical properties similar to those of potassium (atomic number 19)?

Atoms of Cl contain ________ protons and ________ electrons.

An s-block element in the 5th Period is

How many electrons can occupy the shell having n = 4?

An atom with a mass number of 58 and 32 neutrons will have ________ protons.

The electron capacity of the third shell is

How many electrons can occupy the 3d subshell?

What is the electron configuration of S?

The element with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1 is

Which group contains only noble gases?

The value of A for an atom containing 29 protons,29 electrons,and 34 neutrons is

Consider the isotope Br.The atomic number is ________,and the mass number is ________.

Matter and Measurements

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Protons possess a charge,and electrons possess a charge.

Atoms of Cl contain protons and electrons.

The element with the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹ is

Consider the isotope Br.The atomic number is ,and the mass number is .