Question 1

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

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
A)  2 
B)  3 
C)  4 
D)  5

Question 2

The symbols for the elements in the periodic 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 3

Which of the following types of orbitals comes in sets of seven?

Accepted Answer

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

Question 4

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 5

If we consider the elements C, N, and O, which types of orbitals do these elements use in bonding?

Accepted Answer

A)  only s 
B)  only p 
C)  both s and p 
D)  s, p, and d 
A)  only s 
B)  only p 
C)  both s and p 
D)  s, p, and d

Question 6

Which of the following is not a proper symbol for an element?

Accepted Answer

A)  C 
B)  Ca 
C)  CO 
D)  Co 
A)  C 
B)  Ca 
C)  CO 
D)  Co

Question 7

Which of the following statements is true?

Accepted Answer

A)  The boiling point of sodium is lower than that of potassium. 
B)  The boiling point of lithium is lower than that of sodium. 
C)  The boiling point of fluorine is lower than that of chlorine. 
D)  The boiling point of neon is lower than that of helium. 
A)  The boiling point of sodium is lower than that of potassium. 
B)  The boiling point of lithium is lower than that of sodium. 
C)  The boiling point of fluorine is lower than that of chlorine. 
D)  The boiling point of neon is lower than that of helium.

Question 8

Which of the following elements has the smallest atoms?

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 9

Sodium bicarbonate has sodium, hydrogen, carbon, and oxygen atoms in the ratio 1:1:1:3. What is the correct formula for sodium bicarbonate?

Accepted Answer

A)  NaBiCO3 
B)  NaHCO3 
C)  SoHCO3 
D)  SoBiCO3 
A)  NaBiCO3 
B)  NaHCO3 
C)  SoHCO3 
D)  SoBiCO3

Question 10

Which of the following elements has the largest atoms?

Accepted Answer

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

Question 11

Which of the following contains only nonmetals?

Accepted Answer

A)  C, Si, B, and Be 
B)  P, B, Si, and Na 
C)  F, Cl, He, and C 
D)  none of these 
A)  C, Si, B, and Be 
B)  P, B, Si, and Na 
C)  F, Cl, He, and C 
D)  none of these

Question 12

Several elements occur naturally as diatomic molecules under normal atmospheric conditions. Which of the following elements does not occur naturally as a diatomic molecule?

Accepted Answer

A)  chlorine 
B)  hydrogen 
C)  nitrogen 
D)  sulfur 
A)  chlorine 
B)  hydrogen 
C)  nitrogen 
D)  sulfur

Question 13

Which of the following elements has the smallest atoms?

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

Which of the following Greek philosophers is most closely associated with the concept of an atom?

Accepted Answer

A)  Aristotle 
B)  Democritus 
C)  Plato 
D)  Zeno 
A)  Aristotle 
B)  Democritus 
C)  Plato 
D)  Zeno

Question 15

Which of the following defines the mass number of an atom?

Accepted Answer

A)  the number of protons in the atom 
B)  the number of neutrons in the atom 
C)  the total number of protons and neutrons in the atom 
D)  the total number of protons, neutrons, and electrons in the atom 
A)  the number of protons in the atom 
B)  the number of neutrons in the atom 
C)  the total number of protons and neutrons in the atom 
D)  the total number of protons, neutrons, and electrons in the atom

Question 16

How many elements are there in period 4?

Accepted Answer

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

Question 17

In comparing sodium and potassium, which of the following statements is true?

Accepted Answer

A)  Sodium is more likely to lose an electron than potassium because sodium has a higher ionization energy than potassium. 
B)  Sodium is more likely to lose an electron than potassium because sodium has a lower ionization energy than potassium. 
C)  Sodium is less likely to lose an electron than potassium because sodium has a higher ionization energy than potassium. 
D)  Sodium is less likely to lose an electron than potassium because sodium has a lower ionization energy than potassium. 
A)  Sodium is more likely to lose an electron than potassium because sodium has a higher ionization energy than potassium. 
B)  Sodium is more likely to lose an electron than potassium because sodium has a lower ionization energy than potassium. 
C)  Sodium is less likely to lose an electron than potassium because sodium has a higher ionization energy than potassium. 
D)  Sodium is less likely to lose an electron than potassium because sodium has a lower ionization energy than potassium.

Question 18

Zinc can be mixed in differing amounts with copper to form an alloy called brass. Which of the following is brass an example of?

Accepted Answer

A)  a compound 
B)  an element 
C)  a homogeneous mixture 
D)  a heterogeneous mixture 
A)  a compound 
B)  an element 
C)  a homogeneous mixture 
D)  a heterogeneous mixture

Question 19

Which is the only nonmetal to appear on the left side of the periodic table?

Accepted Answer

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

Question 20

What is the maximum number of unpaired electrons in a Lewis dot structure?

Accepted Answer

A)  1 
B)  3 
C)  4 
D)  8 
A)  1 
B)  3 
C)  4 
D)  8

Exam 2: Atoms

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

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

Which of the following types of orbitals comes in sets of seven?

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

If we consider the elements C, N, and O, which types of orbitals do these elements use in bonding?

Which of the following is not a proper symbol for an element?

Which of the following statements is true?

Which of the following elements has the smallest atoms?

Sodium bicarbonate has sodium, hydrogen, carbon, and oxygen atoms in the ratio 1:1:1:3. What is the correct formula for sodium bicarbonate?

Which of the following elements has the largest atoms?

Which of the following contains only nonmetals?

Several elements occur naturally as diatomic molecules under normal atmospheric conditions. Which of the following elements does not occur naturally as a diatomic molecule?

Which of the following elements has the smallest atoms?

Which of the following Greek philosophers is most closely associated with the concept of an atom?

Which of the following defines the mass number of an atom?

How many elements are there in period 4?

In comparing sodium and potassium, which of the following statements is true?

Zinc can be mixed in differing amounts with copper to form an alloy called brass. Which of the following is brass an example of?

Which is the only nonmetal to appear on the left side of the periodic table?

What is the maximum number of unpaired electrons in a Lewis dot structure?

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