Question 1

What is the name of P4Se3?

Accepted Answer

A)   phosphorus selenide
B)   phosphorus triselenide
C)   tetraphosphorus selenide
D)   phosphoric selenide
E)   tetraphosphorus triselenideF) A) and B)
G) A) and C)

Question 2

There is only one distinct empirical formula for each compound that exists.

Accepted Answer

A) True 
 B)False

Question 3

Which one of these species is an ion?

Accepted Answer

A)   B3+
B)   NaCl
C)   He
D)   (14
C)  
E)   None of these species is an ion.F) A) and D)
G) B) and E)

Question 4

Which of these pairs of elements would be most likely to form an ionic compound?

Accepted Answer

A)   Cl and I
B)   Al and K
C)   Cl and Mg
D)   C and S
E)   Al and MgF) A) and E)
G) C) and E)

Question 5

The scientist who determined the magnitude of the electric charge on the electron was

Accepted Answer

A)   John Dalton.
B)   Robert Millikan.
C)   J. J. Thomson.
D)   Henry Moseley.
E)   J. Burdge.F) A) and E)
G) B) and E)

Question 6

The elements in a column of the periodic table are known as

Accepted Answer

A)   metalloids.
B)   a period.
C)   noble gases.
D)   a group.
E)   nonmetals.F) All of the above
G) C) and D)

Question 7

What is the formula for the permanganate ion?

Accepted Answer

A)   MnO2-
B)   MnO4-
C)   MgO42-
D)   Mn2O7-
E)   MgO22-F) A) and D)
G) D) and E)

Question 8

Diiodine pentaoxide is used as an oxidizing agent that converts carbon monoxide to carbon dioxide. What is its chemical formula?

Accepted Answer

A)   I2O5
B)   IO5
C)   2IO5
D)   I5O2
E)   (IO5) 2F) A) and B)
G) C) and D)

Question 9

Which of the following substances is a molecule, but not a compound?

Accepted Answer

A)   SO2
B)   O2
C)   CS2
D)   Ar
E)   CO32- F) B) and C)
G) C) and D)

Question 10

In the periodic table, atoms are arranged in order of

Accepted Answer

A)   increasing atomic mass.
B)   increasing atomic number.
C)   physical properties.
D)   periodicity.
E)   chemical reactivities.F) D) and E)
G) A) and B)

Question 11

The elements in Group 7A are called the ________.

Accepted Answer

The answer of The elements in Group 7A are called...

Question 12

The elements in Group 2A are called the ________.

Accepted Answer

alkaline e...

Question 13

What is the name of Mn(CO3) 2?

Accepted Answer

A)   manganese carbide
B)   magnesium(IV)  carbonate
C)   manganese(II)  carbonate
D)   magnesium(II)  carbonate
E)   manganese(IV)  carbonateF) All of the above
G) A) and E)

Question 14

What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Accepted Answer

The answer of What is the electrostatic attraction called that...

Question 15

Which of the following is an ionic compound?

Accepted Answer

A)   H2S
B)   NH3
C)   I2
D)   KI
E)   CCl4F) B) and D)
G) A) and E)

Question 16

Which of the following contains ionic bonding?

Accepted Answer

A)   CO
B)   SrF2
C)   Al
D)   OCl2
E)   HClF) A) and C)
G) B) and D)

Question 17

The alkali metal elements are found in ________ of the periodic table.

Accepted Answer

A)   Group 1A
B)   Group 2A
C)   Group 3A
D)   Period 7
E)   Period 1F) A) and B)
G) A) and C)

Question 18

The compound, P4S10, is used in the manufacture of safety matches. What is its name?

Accepted Answer

A)   phosphorus sulfide
B)   phosphoric sulfide
C)   phosphorus decasulfide
D)   tetraphosphorus decasulfide
E)   phosphorus sulfiteF) D) and E)
G) A) and D)

Question 19

Which one of the following statements about atoms and subatomic particles is correct?

Accepted Answer

A)   Rutherford discovered the atomic nucleus by bombarding gold foil with electrons.
B)   The proton and the neutron have identical masses.
C)   The neutron's mass is equal to that of a proton plus an electron.
D)   A neutral atom contains equal numbers of protons and electrons.
E)   An atomic nucleus contains equal numbers of protons and neutrons.F) All of the above
G) D) and E)

Question 20

What combination of element types will typically result in ionic bonding?

Accepted Answer

A)   two metals
B)   a nonmetal and a metal
C)   two nonmetals
D)   two Group 1A elements
E)   two noble gasesF) B) and C)
G) A) and C)

Exam 2: Atoms, Molecules, and Ions

What is the formula for the permanganate ion?

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There is only one distinct empirical formula for each compound that exists.

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Which of the following substances is a molecule, but not a compound?

Correct AnswerverifiedShow Answer

The scientist who determined the magnitude of the electric charge on the electron was

Correct AnswerverifiedShow Answer

The compound, P4S10, is used in the manufacture of safety matches. What is its name?

Correct AnswerverifiedShow Answer

Which of the following contains ionic bonding?

Correct AnswerverifiedShow Answer

In the periodic table, atoms are arranged in order of

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The elements in Group 7A are called the ________.

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The elements in Group 2A are called the ________.

Correct Answerverifiedalkaline e...View AnswerShow Answer

Which of the following is an ionic compound?

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Diiodine pentaoxide is used as an oxidizing agent that converts carbon monoxide to carbon dioxide. What is its chemical formula?

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The alkali metal elements are found in ________ of the periodic table.

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What is the name of P4Se3?

Correct AnswerverifiedShow Answer

The elements in a column of the periodic table are known as

Correct AnswerverifiedShow Answer

Which one of these species is an ion?

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What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Correct AnswerverifiedShow Answer

Which of these pairs of elements would be most likely to form an ionic compound?

Correct AnswerverifiedShow Answer

Which one of the following statements about atoms and subatomic particles is correct?

Correct AnswerverifiedShow Answer

What is the name of Mn(CO3) 2?

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What combination of element types will typically result in ionic bonding?

Correct AnswerverifiedShow Answer

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The compound, P₄S₁₀, is used in the manufacture of safety matches. What is its name?

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alkaline e...
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What is the name of P₄Se₃?

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What is the name of Mn(CO₃) ₂?

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