Question 1

-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 2

Name the compounds SO3

Accepted Answer

A)  sulfur trioxide
B)  sulfate
C)  sulfite
D)  sulfur trioxygen
E)  sulfur oxideF) C) and D)
G) B) and C)

Question 3

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

Question 4

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) All of the above
G) C) and E)

Question 5

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) A) and C)
G) C) and E)

Question 6

What are isotopes?

Accepted Answer

Atoms of the same el...

Question 7

Which of the following elements is chemically similar to magnesium?

Accepted Answer

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

Question 8

The formula for sodium sulfide is

Accepted Answer

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

Question 9

What is the formula for xenon hexafluoride?

Accepted Answer

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

Question 10

What type of compound is NH3?

Accepted Answer

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

Question 11

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) C) and D)
G) B) and C)

Question 12

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

Accepted Answer

Atoms A and D repres...

Question 13

What is the law of conservation of mass?

Accepted Answer

Matter can...

Question 14

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) B) and C)
G) B) and D)

Question 15

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) B) and E)
G) C) and E)

Question 16

Give the formula for potassium hydroxide.

Accepted Answer

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

Question 17

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) All of the above
G) A) and B)

Question 18

What type of compound is IF5?

Accepted Answer

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

Exam 2: Atoms, Molecules, and Ions

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

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

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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 CO2?

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

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

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

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Name the compound CuSO4

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What is the formula for xenon hexafluoride?

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What are the ions present in the compound CH4?

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The formula for sodium sulfide is

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Which of the following elements is chemically similar to magnesium?

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What type of compound is NH3?

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Name the compound Co2(SO3) 3 .

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What type of compound is IF5?

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Give the formula for potassium hydroxide.

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What are isotopes?

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

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

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What is the law of conservation of mass?

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

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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 CO₂?

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Atoms A and D repres...
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Name the compound CuSO₄

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What are the ions present in the compound CH₄?

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What type of compound is NH₃?

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Name the compound Co₂(SO₃) ₃ .

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What type of compound is IF₅?

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Atoms of the same el...
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What are the two different ions present in the compound Na₂S?

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Matter can...
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