Question 1

Diopside,CaMgSi2O6,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

Accepted Answer

single-str...

Question 2

What statement is inconsistent about fullerene?

Accepted Answer

A)  It is an allotrope of carbon and the C60 form has soccer ball shape.
B)  The C60 form of fullerene is a good oxidizing agent.
C)  The C60 fullerene is a molecular substance.
D)  The C60 form of fullerene is soluble in nonpolar organic solvents.

Question 3

Metallic character for the main group elements generally

Accepted Answer

A)  increases from left to right across a period and increases down a group.
B)  increases from left to right across a period and decreases down a group.
C)  decreases from left to right across a period and increases down a group.
D)  decreases from left to right across a period and decreases down a group.

Question 4

In which compound is nitrogen in its highest possible oxidation state?

Accepted Answer

A)  NH3
B)  N2H4
C)  HNO2
D)  HNO3

Question 5

Predict the product(s) when the reactants Mg(s) + Cl2(l) are mixed.

Accepted Answer

A)  MgCl(s) 
B)  MgCl2(s) 
C)  Mg2Cl(s) 
D)  MgCl3(s)

Question 6

Which compound exhibits pi bonding?

Accepted Answer

A)  I2
B)  C2
C)  P4
D)  S8

Question 7

What is the name of the commercial process for the preparation of sulfuric acid?

Accepted Answer

A)  Contact process
B)  Haber process
C)  Mond process
D)  Ostwald process

Question 8

Second row elements differ from heavier elements in all of the following ways except

Accepted Answer

A)  atoms of second row elements are smaller.
B)  atoms of second row elements have higher electronegativities.
C)  heavier elements commonly form multiple bonds while second row elements cannot.
D)  heavier elements have electrons in d orbitals while second row elements do not.

Question 9

What is the structure of the "gray" allotropic form of tin that is used as a semiconductor?

Accepted Answer

A)  body centered
B)  diamond-like
C)  graphite-like
D)  simple cubic

Question 10

The number of metallic elements in period 3 of the periodic table is ________.

Accepted Answer

The answer of The number of metallic elements in period...

Question 11

Covalent hydrides of the type MH3 are likely to form with elements of what group?

Accepted Answer

A)  3A
B)  4A
C)  5A
D)  6A

Question 12

Interhalogen compounds can be produced by reacting two different halogens together.Which one of the following compounds does not exist?

Accepted Answer

A)  ClF
B)  ClBr
C)  ClBr3
D)  IF3

Question 13

In the picture representing binary hydride AHx,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are x,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are   A) +1 and -3. B) +1 and -1. C) -1 and +1. D) -1 and +3." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  +1 and -3.
B)  +1 and -1.
C)  -1 and +1.
D)  -1 and +3.

Question 14

Which one of the following compounds that contains a Group 5A element is least likely to exist?

Accepted Answer

A)  NF3
B)  NBr5
C)  PF3
D)  PI5

Question 15

What is the anhydride of sulfuric acid?

Accepted Answer

A)  SO2
B)  SO3
C)  S2O3
D)  S2O5

Question 16

Which M3+ ion of group 3A elements is the easiest to reduce?

Accepted Answer

A)  B
B)  Al
C)  Ga
D)  In

Question 17

Some commercial drain cleaners contain aluminum chips and sodium hydroxide pellets.When water is added to this mixture a vigorous reaction takes place which is best represented as

Accepted Answer

A)  2 Al(s) + 6 H+(aq) → 2 Al3+(aq) + 3 H2(g) .
B)  2 Al(s) + 2 OH-(aq) + 6 H2O(l) → 2 Al(OH) 4-(aq) + 3 H2(g) .
C)  2 Al(s) + 6 H2O(l) → 2 Al(OH) 3 + 3 H2(g) .
D)  2 Al(s) + 3 Cu2+(aq) → 2 Al3+(aq) + 2 Cu(s) .

Question 18

What is the most stable oxidation state for Bi in bismuth compounds?

Accepted Answer

A)  -2
B)  +1
C)  +3
D)  +2

Question 19

What is the name for the group of elements indicated by the shaded portion of the periodic table?

Accepted Answer

A)  alkaline earth metals
B)  group 3A elements
C)  halogens
D)  noble gases

Question 20

What is the name for the group of elements indicated by the shaded portion of the periodic table?

Accepted Answer

A)  alkaline earth metals
B)  group 3A elements
C)  halogens
D)  noble gases

Exam 22: The Main-Group Elements

Which one of the following compounds that contains a Group 5A element is least likely to exist?

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What is the name for the group of elements indicated by the shaded portion of the periodic table?

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What is the name of the commercial process for the preparation of sulfuric acid?

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What is the most stable oxidation state for Bi in bismuth compounds?

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What statement is inconsistent about fullerene?

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What is the structure of the "gray" allotropic form of tin that is used as a semiconductor?

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The number of metallic elements in period 3 of the periodic table is ________.

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Covalent hydrides of the type MH3 are likely to form with elements of what group?

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In the picture representing binary hydride AHx,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are

Correct AnswerverifiedShow Answer

Some commercial drain cleaners contain aluminum chips and sodium hydroxide pellets.When water is added to this mixture a vigorous reaction takes place which is best represented as

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Interhalogen compounds can be produced by reacting two different halogens together.Which one of the following compounds does not exist?

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Predict the product(s) when the reactants Mg(s) + Cl2(l) are mixed.

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Which compound exhibits pi bonding?

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Which M3+ ion of group 3A elements is the easiest to reduce?

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What is the name for the group of elements indicated by the shaded portion of the periodic table?

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In which compound is nitrogen in its highest possible oxidation state?

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Metallic character for the main group elements generally

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What is the anhydride of sulfuric acid?

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Second row elements differ from heavier elements in all of the following ways except

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Diopside,CaMgSi2O6,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

Correct Answerverifiedsingle-str...View AnswerShow Answer

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Covalent hydrides of the type MH₃ are likely to form with elements of what group?

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In the picture representing binary hydride AH_x,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are

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Predict the product(s) when the reactants Mg(s) + Cl₂(l) are mixed.

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Which M³⁺ ion of group 3A elements is the easiest to reduce?

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Diopside,CaMgSi₂O₆,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

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single-str...
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