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What statement is inconsistent about fullerene?


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.

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What is the name for the group of elements indicated by the shaded portion of the periodic table? What is the name for the group of elements indicated by the shaded portion of the periodic table?   A) alkaline earth metals B) group 3A elements C) halogens D) noble gases


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

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What is the anhydride of sulfuric acid?


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

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What is the name for the group of elements indicated by the shaded portion of the periodic table? What is the name for the group of elements indicated by the shaded portion of the periodic table?   A) alkaline earth metals B) group 3A elements C) halogens D) noble gases


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

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


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

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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


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) .

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Metallic character for the main group elements generally


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.

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


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

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


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

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


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

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


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

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Which compound exhibits pi bonding?


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

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


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

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


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

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


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

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


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

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


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.

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

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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 In the picture representing binary hydride AH<sub>x</sub>,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.


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

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