Question 1

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

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  7 
A)  1 
B)  3 
C)  5 
D)  7

Question 2

Which of the following statements describe a mixture?

Accepted Answer

A)  A mixture does not contain a fixed ratio by mass of the component elements. 
B)  Chemical techniques are required to separate the components of a mixture. 
C)  both a and b 
D)  neither a nor b 
A)  A mixture does not contain a fixed ratio by mass of the component elements. 
B)  Chemical techniques are required to separate the components of a mixture. 
C)  both a and b 
D)  neither a nor b

Question 3

Which of the following enable us characterize a compound by a specific chemical formula?

Accepted Answer

A)  law of conservation of energy 
B)  law of conservation of mass 
C)  law of constant composition 
D)  all of the above 
A)  law of conservation of energy 
B)  law of conservation of mass 
C)  law of constant composition 
D)  all of the above

Question 4

Sodium is a highly reactive metal and chlorine is a toxic gas, but when they come together the resulting material, sodium chloride, is essential for life. Which of the following is true when sodium and chlorine are brought into contact with one another?

Accepted Answer

A)  They form a heterogeneous mixture. 
B)  They form a homogenous mixture. 
C)  They neutralize each other. 
D)  They form a compound. 
A)  They form a heterogeneous mixture. 
B)  They form a homogenous mixture. 
C)  They neutralize each other. 
D)  They form a compound.

Question 5

Which of the following contains only metals?

Accepted Answer

A)  Ag, As, Ba, Ca 
B)  Ag, Au, Pb, Rb 
C)  As, Ge, Si, Te 
D)  none of these 
A)  Ag, As, Ba, Ca 
B)  Ag, Au, Pb, Rb 
C)  As, Ge, Si, Te 
D)  none of these

Question 6

Atoms of which of the following elements are largest?

Accepted Answer

A)  Ca 
B)  K 
C)  Mg 
D)  Na 
A)  Ca 
B)  K 
C)  Mg 
D)  Na

Question 7

Which of the following is the correct Lewis dot picture of the carbon atom?

Accepted Answer

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

Question 8

Which of the following sequences gives the correct order as we move from left to right across a row of the period table?

Accepted Answer

A)  metal, metalloid, nonmetal 
B)  metal, nonmetal, metalloid 
C)  nonmetal, metal, metalloid 
D)  nonmetal, metalloid, metal 
A)  metal, metalloid, nonmetal 
B)  metal, nonmetal, metalloid 
C)  nonmetal, metal, metalloid 
D)  nonmetal, metalloid, metal

Question 9

How many electrons can be accommodated in the 2d subshell?

Accepted Answer

A)  2 
B)  5 
C)  10 
D)  None, there is no 2d subshell. 
A)  2 
B)  5 
C)  10 
D)  None, there is no 2d subshell.

Question 10

What are the vertical columns of the periodic table called?

Accepted Answer

A)  families 
B)  periods 
C)  either a or b 
D)  neither a nor b 
A)  families 
B)  periods 
C)  either a or b 
D)  neither a nor b

Question 11

In the region of the periodic table associated with the transition elements which type of orbitals are being filled?

Accepted Answer

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

Question 12

The symbols for the elements in the period table are derived from three languages. Which of the following is not one of those languages?

Accepted Answer

A)  English 
B)  French 
C)  German 
D)  Latin 
A)  English 
B)  French 
C)  German 
D)  Latin

Question 13

How many elements are there in period 3?

Accepted Answer

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

Question 14

Which of the following best describes the properties of the elements?

Accepted Answer

A)  Chemical and physical properties vary in a systematic way as one moves across a row of the periodic table. 
B)  Chemical and physical properties vary in a systematic way as one moves down a column of the periodic table. 
C)  both a and b 
D)  neither a nor b 
A)  Chemical and physical properties vary in a systematic way as one moves across a row of the periodic table. 
B)  Chemical and physical properties vary in a systematic way as one moves down a column of the periodic table. 
C)  both a and b 
D)  neither a nor b

Question 15

Which columns of the periodic table is commonly called the halogens?

Accepted Answer

A)  1A 
B)  4A 
C)  7A 
D)  8A 
A)  1A 
B)  4A 
C)  7A 
D)  8A

Question 16

Which of the following is the correct Lewis dot picture of the oxygen atom?

Accepted Answer

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

Question 17

How many electrons can be accommodated in the 4p subshell?

Accepted Answer

A)  4 
B)  6 
C)  8 
D)  18 
A)  4 
B)  6 
C)  8 
D)  18

Question 18

Which element is present in the largest amount (by mass) in the human body?

Accepted Answer

A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen 
A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen

Question 19

Electrons can sometimes fill orbitals in a manner other than according to the rules we have specified. If they do so we say the atom is in an excited state. Which of the following represent(s) the excited state of an atom?

Accepted Answer

A)  1s22s22px2 
B)  1s22s12px12py12pz1 
C)  both a and b 
D)  neither a nor b 
A)  1s22s22px2 
B)  1s22s12px12py12pz1 
C)  both a and b 
D)  neither a nor b

Question 20

Which of the following elements is named for a person?

Accepted Answer

A)  Er 
B)  Fr 
C)  Os 
D)  Sg 
A)  Er 
B)  Fr 
C)  Os 
D)  Sg

Exam 2: Atoms

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

Which of the following statements describe a mixture?

Which of the following enable us characterize a compound by a specific chemical formula?

Sodium is a highly reactive metal and chlorine is a toxic gas, but when they come together the resulting material, sodium chloride, is essential for life. Which of the following is true when sodium and chlorine are brought into contact with one another?

Which of the following contains only metals?

Atoms of which of the following elements are largest?

Which of the following is the correct Lewis dot picture of the carbon atom?

Which of the following sequences gives the correct order as we move from left to right across a row of the period table?

How many electrons can be accommodated in the 2d subshell?

What are the vertical columns of the periodic table called?

In the region of the periodic table associated with the transition elements which type of orbitals are being filled?

The symbols for the elements in the period table are derived from three languages. Which of the following is not one of those languages?

How many elements are there in period 3?

Which of the following best describes the properties of the elements?

Which columns of the periodic table is commonly called the halogens?

Which of the following is the correct Lewis dot picture of the oxygen atom?

How many electrons can be accommodated in the 4p subshell?

Which element is present in the largest amount (by mass) in the human body?

Electrons can sometimes fill orbitals in a manner other than according to the rules we have specified. If they do so we say the atom is in an excited state. Which of the following represent(s) the excited state of an atom?

Which of the following elements is named for a person?

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