Question 1

The following list shows the sulfide ion, sulfate ion, and sulfite ion, in order.
SO42-, SO32-, S2-

Accepted Answer

A) True 
 B)False

Question 2

Atoms of the same element with different mass numbers are called

Accepted Answer

A)   ions.
B)   neutrons.
C)   allotropes.
D)   chemical families.
E)   isotopes.F) D) and E)
G) C) and D)

Question 3

The formula of nitrous acid is HNO3.

Accepted Answer

A) True 
 B)False

Question 4

What is the formula for nonane

Accepted Answer

A)   C8H18
B)   C9H20
C)   C10H20
D)   C9H22
E)   C9H24F) C) and D)
G) C) and E)

Question 5

The formula of hydrochloric acid is HCl.

Accepted Answer

A) True 
 B)False

Question 6

Give the formula for nickel(II)  sulfite.

Accepted Answer

A)   NiSO
B)   NiSO3
C)   Ni2SO4
D)   Ni2(SO3) 
E)   NiS2F) A) and B)
G) A) and E)

Question 7

What is the formula for the ionic compound containing barium ions and sulfate ions

Accepted Answer

A)   BaSO4
B)   Ba2SO4
C)   BaS
D)   Ba(SO4) 2
E)   Ba3S2F) A) and C)
G) A) and B)

Question 8

The formula for isopropyl alcohol is sometimes written as (CH3) 2CHOH to better indicate how the atoms are connected. How many hydrogen atoms would be contained in 3 dozen isopropyl alcohol molecules

Accepted Answer

A)   36
B)   180
C)   242
D)   288
E)   None of the aboveF) C) and E)
G) B) and E)

Question 9

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton  3684Kr{ }_{36}^{84} \mathrm{Kr}3684​Kr

Accepted Answer

A)   36 electrons, 48 protons, and 36 neutrons
B)   84 electrons, 24 protons, and 36 neutrons
C)   36 electrons, 36 protons, and 48 neutrons
D)   36 electrons, 36 protons, and 84 neutrons
E)   None of the above are correct F) None of the above
G) A) and D)

Question 10

The name of HF is hydrofluoric acid.

Accepted Answer

A) True 
 B)False

Question 11

An ion is an atom or group of atoms that has a net positive or negative charge.

Accepted Answer

A) True 
 B)False

Question 12

Use the following to answer questions

-Use the periodic table above to locate where the alkaline earth metals are located.

Accepted Answer

A)   Group 1A
B)   Group 2B
C)   Group 2A
D)   Group 7A
E)   Group 8AF) C) and E)
G) A) and C)

Question 13

Use the following to answer questions

-Use the periodic table above to identify where the alkali metals are located.

Accepted Answer

A)   Group 1A
B)   Group 2B
C)   Group 3A
D)   Group 7A
E)   Group 8AF) D) and E)
G) A) and B)

Question 14

What are the two different ions present in the compound Li3N

Accepted Answer

A)   Li+, N3-
B)   Li3+, N-
C)   Li33+, N3-
D)   Li+, N-
E)   Li3+, N3-F) All of the above
G) D) and E)

Question 15

The formula of sulfuric acid is H2SO4.

Accepted Answer

A) True 
 B)False

Question 16

The straight chain hydrocarbon that contains six carbon atoms is

Accepted Answer

A)   propane.
B)   butane.
C)   pentane.
D)   hexane.
E)   heptane.F) D) and E)
G) A) and D)

Question 17

An aluminum ion, Al3+, has:

Accepted Answer

A)   13 protons and 13 electrons
B)   27 protons and 24 electrons
C)   16 protons and 13 electrons
D)   13 protons and 10 electrons
E)   10 protons and 13 electronsF) A) and D)
G) D) and E)

Question 18

When J. J. Thomson discovered the electron, what physical property of the electron did he measure

Accepted Answer

A)   its charge, e
B)   its charge-to-mass ratio, e/m
C)   its temperature, T
D)   its mass, m
E)   its atomic number, ZF) A) and B)
G) C) and D)

Question 19

The correct order for chloric acid, chlorous acid, and hypochlorous acid, is in this order: HClO3, HClO2, HClO in that order.

Accepted Answer

A) True 
 B)False

Question 20

How many protons are there in one atom of xenon

Accepted Answer

A)   54
B)   77
C)   131
D)   78
E)   None of the above are correctF) C) and D)
G) None of the above

Exam 2: Atoms Molecules and Ions

The following list shows the sulfide ion, sulfate ion, and sulfite ion, in order. SO42-, SO32-, S2-

Correct AnswerverifiedShow Answer

What is the formula for nonane

Correct AnswerverifiedShow Answer

When J. J. Thomson discovered the electron, what physical property of the electron did he measure

Correct AnswerverifiedShow Answer

What are the two different ions present in the compound Li3N

Correct AnswerverifiedShow Answer

An aluminum ion, Al3+, has:

Correct AnswerverifiedShow Answer

The formula of nitrous acid is HNO3.

Correct AnswerverifiedShow Answer

The formula for isopropyl alcohol is sometimes written as (CH3) 2CHOH to better indicate how the atoms are connected. How many hydrogen atoms would be contained in 3 dozen isopropyl alcohol molecules

Correct AnswerverifiedShow Answer

The formula of hydrochloric acid is HCl.

Correct AnswerverifiedShow Answer

The name of HF is hydrofluoric acid.

Correct AnswerverifiedShow Answer

How many protons are there in one atom of xenon

Correct AnswerverifiedShow Answer

An ion is an atom or group of atoms that has a net positive or negative charge.

Correct AnswerverifiedShow Answer

Give the formula for nickel(II) sulfite.

Correct AnswerverifiedShow Answer

Use the following to answer questions -Use the periodic table above to locate where the alkaline earth metals are located.

Correct AnswerverifiedShow Answer

Use the following to answer questions -Use the periodic table above to identify where the alkali metals are located.

Correct AnswerverifiedShow Answer

The straight chain hydrocarbon that contains six carbon atoms is

Correct AnswerverifiedShow Answer

Atoms of the same element with different mass numbers are called

Correct AnswerverifiedShow Answer

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton 3684Kr{ }_{36}^{84} \mathrm{Kr}3684​Kr

Correct AnswerverifiedShow Answer

The formula of sulfuric acid is H2SO4.

Correct AnswerverifiedShow Answer

What is the formula for the ionic compound containing barium ions and sulfate ions

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The correct order for chloric acid, chlorous acid, and hypochlorous acid, is in this order: HClO3, HClO2, HClO in that order.

Correct AnswerverifiedShow Answer

The following list shows the sulfide ion, sulfate ion, and sulfite ion, in order. SO₄^2-, SO₃^2-_, S^2-

Correct Answer
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What are the two different ions present in the compound Li₃N

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An aluminum ion, Al³⁺, has:

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The formula of nitrous acid is HNO₃.

Correct Answer
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The formula for isopropyl alcohol is sometimes written as (CH₃) ₂CHOH to better indicate how the atoms are connected. How many hydrogen atoms would be contained in 3 dozen isopropyl alcohol molecules

Correct Answer
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How many electrons, protons, and neutrons are in a neutral atom of the following isotope of krypton ${ }_{36}^{84} \mathrm{Kr}$

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The formula of sulfuric acid is H₂SO₄.

Correct Answer
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The correct order for chloric acid, chlorous acid, and hypochlorous acid, is in this order: HClO₃, HClO₂, HClO in that order.

Correct Answer
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