Question 1

The ionic compound that forms between Mg and O is MgO.

Accepted Answer

A) True 
 B)False

Question 2

The correct name for H2SO3 is sulfurous acid.

Accepted Answer

A) True 
 B)False

Question 3

Which among the following elements does NOT exist as a diatomic molecule in nature?

Accepted Answer

A)  hydrogen
B)  nitrogen
C)  fluorine
D)  neon
E)  none of the above

Question 4

If there are two ions in a series of oxoanions,the one with more oxygen is given the ending "-ite."

Accepted Answer

A) True 
 B)False

Question 5

Carbon monoxide is considered which of the following?

Accepted Answer

A)  atomic element
B)  molecular element
C)  molecular compound
D)  ionic compound
E)  none of the above

Question 6

What is the name of the molecular compound SO3?

Accepted Answer

A)  sulfur oxide
B)  sulfur(IV) oxide
C)  sulfur trioxide
D)  sulfur tetraoxide
E)  none of the above

Question 7

Which of the following has the largest formula mass?

Accepted Answer

A)  CO2
B)  SO2
C)  NO2
D)  SiO2
E)  H2O

Question 8

What is the name of the molecular compound SF5?

Accepted Answer

A)  sulfur hexafluoride
B)  sulfur heptafluoride
C)  monosulfur tetrafluoride
D)  sulfur pentafluoride
E)  none of the above

Question 9

The ionic compound that forms between aluminum and oxygen is AlO.

Accepted Answer

A) True 
 B)False

Question 10

What is the formula for an ionic compound made of barium and nitrogen?

Accepted Answer

A)  Ba3N2
B)  Ba2N3
C)  BaN
D)  Ba2N4
E)  none of the above

Question 11

What is the oxygen-to-sulfur mass ratio of sulfur dioxide?

Accepted Answer

A)  0.5
B)  1.0
C)  2.0
D)  16
E)  none of the above

Question 12

What is the name of the compound made from lithium and oxygen?

Accepted Answer

A)  lithium dioxide
B)  lithium(I) oxide
C)  oxygen lithide
D)  lithium oxide
E)  none of the above

Question 13

The ionic compound that forms between potassium and oxygen is:

Accepted Answer

A)  K2O.
B)  KO.
C)  KO2.
D)  K2O2.
E)  none of the above

Question 14

The formula of a compound comprised of two nitrogen atoms and one oxygen atom should be written properly as ON2.

Accepted Answer

A) True 
 B)False

Question 15

Oxyacids contains at least one H+ and an oxyanion.The " nitrous " oxyacid contains the oxyanion ________.

Accepted Answer

A)  nitrite
B)  nitrate
C)  nitride
D)  nitric
E)  none of the above

Question 16

What is the formula mass for potassium nitrate?

Accepted Answer

A)  92.99 amu
B)  117.11 amu
C)  85.11 amu
D)  101.10 amu
E)  none of the above

Question 17

What is the correct formula for the hypochlorite polyatomic ion?

Accepted Answer

A)  ClO-
B)  ClO2-
C)  ClO3-
D)  ClO4-
E)  none of the above

Question 18

The law of constant composition states: All samples of a given compound have the same proportions of their constituent elements.

Accepted Answer

A) True 
 B)False

Question 19

Which formula shown is incorrect for the name given?

Accepted Answer

A)  magnesium nitrite: Mg(NO2) 3
B)  calcium carbonate: CaCO3
C)  aluminum sulfate: Al2(SO4) 3
D)  sodium hydrogen carbonate: NaHCO3
E)  potassium hydroxide: KOH

Question 20

What is the correct formula for ammonium hydrogen sulfate?

Accepted Answer

A)  NH4HSO4
B)  (NH4) 2HSO4
C)  (NH4) 2SO4
D)  Am2HSO4
E)  none of the above

Exam 5: Molecules and Compounds

The ionic compound that forms between potassium and oxygen is:

Correct AnswerverifiedShow Answer

The ionic compound that forms between Mg and O is MgO.

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Carbon monoxide is considered which of the following?

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What is the name of the compound made from lithium and oxygen?

Correct AnswerverifiedShow Answer

What is the correct formula for ammonium hydrogen sulfate?

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What is the name of the molecular compound SO3?

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The ionic compound that forms between aluminum and oxygen is AlO.

Correct AnswerverifiedShow Answer

What is the correct formula for the hypochlorite polyatomic ion?

Correct AnswerverifiedShow Answer

Oxyacids contains at least one H+ and an oxyanion.The " nitrous " oxyacid contains the oxyanion ________.

Correct AnswerverifiedShow Answer

Which of the following has the largest formula mass?

Correct AnswerverifiedShow Answer

The formula of a compound comprised of two nitrogen atoms and one oxygen atom should be written properly as ON2.

Correct AnswerverifiedShow Answer

What is the name of the molecular compound SF5?

Correct AnswerverifiedShow Answer

Which formula shown is incorrect for the name given?

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What is the formula mass for potassium nitrate?

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The correct name for H2SO3 is sulfurous acid.

Correct AnswerverifiedShow Answer

What is the oxygen-to-sulfur mass ratio of sulfur dioxide?

Correct AnswerverifiedShow Answer

Which among the following elements does NOT exist as a diatomic molecule in nature?

Correct AnswerverifiedShow Answer

If there are two ions in a series of oxoanions,the one with more oxygen is given the ending "-ite."

Correct AnswerverifiedShow Answer

What is the formula for an ionic compound made of barium and nitrogen?

Correct AnswerverifiedShow Answer

The law of constant composition states: All samples of a given compound have the same proportions of their constituent elements.

Correct AnswerverifiedShow Answer

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What is the name of the molecular compound SO₃?

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Oxyacids contains at least one H⁺ and an oxyanion.The " nitrous " oxyacid contains the oxyanion ________.

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The formula of a compound comprised of two nitrogen atoms and one oxygen atom should be written properly as ON₂.

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What is the name of the molecular compound SF₅?

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The correct name for H₂SO₃ is sulfurous acid.

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