Question 1

What type of compound is IF5?

Accepted Answer

A)  Ionic
B)  Molecular
C)  Acid
D)  Base
E)  HydrateF) B) and C)
G) B) and D)

Question 2

Which of the following elements is chemically similar to magnesium?

Accepted Answer

A)  sulfur
B)  calcium
C)  iron
D)  nickel
E)  potassiumF) A) and D)
G) B) and C)

Question 3

What is the law of conservation of mass?

Accepted Answer

Matter can...

Question 4

What are the ions present in the compound CH4?

Accepted Answer

A)  C4+, H+
B)  C4-, H+
C)  C-, H+
D)  C4- H4+
E)  no ions presentF) B) and C)
G) None of the above

Question 5

How many protons and electrons are present in one Br- ion?

Accepted Answer

A)  35 p, 35 e
B)  80 p, 81 e
C)  35 p, 34 e
D)  35 p, 36 e
E)  80 p, 34 eF) B) and E)
G) A) and C)

Question 6

Name the compounds SO3

Accepted Answer

A)  sulfur trioxide
B)  sulfate
C)  sulfite
D)  sulfur trioxygen
E)  sulfur oxideF) C) and E)
G) None of the above

Question 7

What are the ions present in the compound CO2?

Accepted Answer

A)  C4+, 2 O2-
B)  C2+, 2 O-
C)  C2+, O2-
D)  C2+, O22-
E)  no ions presentF) B) and C)
G) A) and B)

Question 8

The formula for sodium sulfide is

Accepted Answer

A)  NaS.
B)  K2S.
C)  NaS2.
D)  Na2S.
E)  SeS.F) B) and E)
G) B) and D)

Question 9

What type of compound is NH3?

Accepted Answer

A)  Ionic
B)  Ternary
C)  Acid
D)  Base
E)  HydrateF) C) and E)
G) B) and D)

Question 10

The table below describes four atoms.  Which atoms represent the same element?

Accepted Answer

Atoms A and D repres...

Question 11

What are isotopes?

Accepted Answer

Atoms of the same el...

Question 12

What is the formula for xenon hexafluoride?

Accepted Answer

The answer of What is the formula for xenon hexafluoride?...

Question 13

Give the formula for potassium hydroxide.

Accepted Answer

The answer of Give the formula for potassium hydroxide....

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) B) and E)
G) B) and D)

Question 15

What are the two different ions present in the compound Na2S?

Accepted Answer

A)  Na2+, S2-
B)  Na+, S2-
C)  Na2+, S2-
D)  Na+, S-
E)  Na2+, S-F) C) and E)
G) A) and E)

Question 16

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

Accepted Answer

The answer of 
-Use the periodic table above to show...

Question 17

Name the compound CuSO4

Accepted Answer

A)  Copper (I) sulfate
B)  Copper (I) sulfite
C)  Copper (II) sulfite
D)  Copper (II) sulfate
E)  Copper (IV) sulfateF) C) and E)
G) B) and C)

Question 18

Rutherford's experiment with alpha particle scattering by gold foil established that

Accepted Answer

A)  protons are not evenly distributed throughout an atom.
B)  electrons have a negative charge.
C)  electrons have a positive charge.
D)  atoms are made of protons, neutrons, and electrons.
E)  protons are 1840 times heavier than electrons.F) B) and E)
G) C) and D)

Question 19

Name the compound CH3CH2OH

Accepted Answer

Question 20

Name the compound Co2(SO3) 3 .

Accepted Answer

A)  cobalt sulfate
B)  cobalt(II) sulfite
C)  cobalt(II) sulfate
D)  cobalt(III) sulfite
E)  cobalt(III) sulfateF) D) and E)
G) C) and D)

Exam 2: Atoms, Molecules, and Ions

The table below describes four atoms. Which atoms represent the same element?

Correct AnswerverifiedAtoms A and D repres...View AnswerShow Answer

How many protons and electrons are present in one Br- ion?

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What are the two different ions present in the compound Na2S?

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Name the compound CuSO4

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Which of the following elements is chemically similar to magnesium?

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What are the ions present in the compound CO2?

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What type of compound is NH3?

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The formula for sodium sulfide is

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

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What is the formula for xenon hexafluoride?

Correct AnswerverifiedShow Answer

Name the compound Co2(SO3) 3 .

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Name the compounds SO3

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What are the two different ions present in the compound Li3N?

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Name the compound CH3CH2OH

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Rutherford's experiment with alpha particle scattering by gold foil established that

Correct AnswerverifiedShow Answer

What are the ions present in the compound CH4?

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What is the law of conservation of mass?

Correct AnswerverifiedMatter can...View AnswerShow Answer

What are isotopes?

Correct AnswerverifiedAtoms of the same el...View AnswerShow Answer

Give the formula for potassium hydroxide.

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What type of compound is IF5?

Correct AnswerverifiedShow Answer

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Atoms A and D repres...
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How many protons and electrons are present in one Br^- ion?

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What are the two different ions present in the compound Na₂S?

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Name the compound CuSO₄

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What are the ions present in the compound CO₂?

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What type of compound is NH₃?

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Name the compound Co₂(SO₃) ₃ .

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Name the compounds SO₃

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What are the two different ions present in the compound Li₃N?

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Name the compound CH₃CH₂OH

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What are the ions present in the compound CH₄?

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Matter can...
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Atoms of the same el...
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What type of compound is IF₅?

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