bonding practice test 2 (1)

8/12/2019 Bonding PRactice Test 2 (1)

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bonding test review

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. Which of the following statements about ionic and covalent compounds is false?a. Electrons are shared in covalent compounds.

b. Covalent compounds are usually poor conductors of electricity.

c. Many ionic compounds are soluble in water.

d. Covalent compounds commonly exist as gases li!uids or solids.

e. "onic compounds have low melting points.

____ #. Which response includes only the true statements concerning the characteristics of covalent compounds?

". $hese compounds can be gases li!uids or solids with low melting points.

"". Most are soluble in polar solvents.

""". %i!uid and molten compounds do not conduct electricity.

"&. '!ueous solutions of these compounds are very good conductors of electricity.

a. " and """

b. "" and "&

c. " """ and "&

d. " "" and """

e. "&

____ (. Which %ewis )ot *ormula below is incorrect?

a.

b.

c.

d.

e.

____ +. Which %ewis )ot *ormula is incorrect?

a.

b.

c.

d.

e.

____ ,. -ow many valence electrons does a phosphorus atom have?

a. #b.

c. (

d. ,

e. +

____ . -ow many valence electrons does a bromine atom have?

a. /

b. c. (


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d. ,

e. +

____ /. -ow many unpaired electrons are shown in a %ewis )ot *ormula for silicon?

a. 0

b. 1

c. #

d. (

e. +

____ . 2elow are some elements with their number of valence electrons. Which is incorrect?

a. Ca 3 #

b. Cl 3 ,c. 4 3 1

d. 2 3 (

e. 5 3

____ 6. 'n atom of which element below has the most unpaired electrons?

a. 2a

b. 'l

c. 7d. *

e. 5

____ 10. 'n element has the following electronic configuration in its outermost shell. "n simple ionic compounds the

oxidation number 8charge9 of this element would be ____.

a. 31

b. 3#

c. 3(

d. :#

e. :1

____ 11. Consider the following electron transfer diagram representing the formation of a binary ionic compound from

atoms of its constituent elements. Which response correctly identifies the elements?

a. M ;

d. M ; e. M ; b = ; 5

____ 1#. $he negative ion *3 has the same electronic configuration as the positive ion ____.

a. Ca

b. %i

c. Mg


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d. 4

e. >c

____ 1(. What is the charge formed by al@aline earth metals when they react with nonmetals?

a. :1

b. 31

c. :#d. 3#

e. :(

____ 1+. Which of the following statements is the best definition of valenceelectrons?

a. $he electrons in the p orbitals

b. $he electrons that are paired.

c. $he electrons occupying the highest energy 8outermost9 level.

d. $he electrons occupying the lowest energy 8outermost9 level.

e. $he electrons that are unpaired.

____ 1,. Which response includes all of the species listed below that have , valence electrons?

5#3


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b. #

c. 10

d. +

e. ,

____ #0. Which of the following compounds has the mostionic bond?

a. Mg*#b. 2Cl(c. 2*(d.


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d. 'l 7

e. Ca>e

____ #/. ' chemical bond formed by two atoms sharing one or more pairs of electrons is called a 8or an9 ____ bond.

a. ionic

b. covalent

c. coordinate covalentd. polar

e. nonpolar

____ #. When the diatomic molecule -#forms all of the following are true exceptB

a. ' pair of electrons is shared between the two hydrogen atoms.

b. $he 1sorbitals overlap so that both electrons are now in the orbitals of both atoms.

c. Each hydrogen atom has the helium configuration 1s#.

d. ' single covalent bond is formed.e. $he bonded atoms are at higher energy than the separated atoms.

____ #6. $he internuclear distance at which the attractive and repulsive forces balance in a covalent bond is called the

____.a. bond length

b. bond energyc. stabiliation length

d. single bonde. none of these

____ (0. $he ____ bonds there are between atoms of the same two elements the ____ the bond length and the ____ the

bond.

a. more greater wea@er

b. more shorter stronger

c. fewer shorter stronger

d. fewer greater stronger

e. more shorter wea@er

____ (1. Which of the following is the correct %ewis dot formula for -#>?

a.

b.

c.

d.

e.

____ (#. Which of the following is the correct %ewis dash formula for carbon diselenide?

a.

b.

c.

d.

e.

____ ((. %ewis dot formulas for molecules show all of the following exceptB


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a. the number of bonds

b. the @inds of bonds 8single double triple9

c. the order the atoms are connected

d. the shape of the molecule

e. the number of valence electrons

____ (+. )raw the %ewis dot formula for C5 . $he number of unshared pairsof electrons in the outer shell of thecentral atom is ____.

a. one

b. two

c. three

d. four

e. ero

____ (,. )raw the %ewis dot formula for 7Cl . $he number of unshared pairsof electrons in the outer shell of the

central atom is ____.

a. one

b. two

c. three

d. four e. ero

____ (. $he %ewis structure for the carbonate ion C5(#3 shows ____ doubles bond8s9 ____ single bond8s9 and ____

lone pair8s9 on the central atom.

a. ( 1 #b. 1 # 0

c. # # 1

d. # 1 1

e. # 1 #

____ (/. What is the correct %ewis dot formula for - C5 ?a.

b.

c.

d.

e.

____ (. Which one of the following %ewis dot formulas is incorrect?

a.


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b.

c.

d.

e.

____ (6. Which one of the following %ewis dot formulas is incorrect?

a.

b.

c.

d.

e.

____ +0. Which %ewis dot formula is incorrect?

a.

b.

c.

d.

e.

____ +1. $he totalnumber of covalent bondsin the < molecule is ____.

a. one

b. two


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c. three

d. four

e. ero

____ +#. $he number of unshared pairsof electrons in the outer shell of arsenic in 's* is ____.

a. one

b. twoc. three

d. four

e. ero

____ +(. )raw the dot formula for ethylene C - . Each carbon3hydrogen bond is a ____ bond and each carbon3

carbon bond is a ____ bond.

a. single single

b. single double

c. single triple

d. double single

e. double double

____ ++. $he %ewis dot formula for formaldehyde - C5 shows

". three single covalent bonds.

"". one unshared pair of electrons.

""". one double covalent bond.

"&. two unshared pairs of electrons.

&. two single covalent bonds.

a. """ "& and &

b. "" """ and &

c. " and ""

d. "" and """

e. " and "&

____ +,. 'ssign a formal charge to each atom of .

a. 's ; ,: Cl ; 13

b. 's ; ,3 Cl ; /:

c. 's ; 0 Cl ; 0

d. 's ; +: Cl ; 13

e. 's ; : Cl ; #3

____ +. 'ssign a formal charge to each atom of 7- .

a. 7 ; 0 - ; 1:

b. 7 ; 1: - ; 0c. 7 ; 0 - ; 0

d. 7 ; +: - ; 13

e.

7 ; 0 - ; :

____ +/. Which of the following statements about %ewis structures is false?

a. Carbon and oxygen may form a double bond.

b. 'ny


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d. - can never ma@e more than one bond.

e. Duadruple bonds are not possible.

____ +. Which one of the following dot formulas is incorrect?

a.

b.

c.

d.

e.

____ +6. Which response lists all of the correct %ewis dot formulas and no incorrectones?

". """.

"". "&.

a. " and ""

b. "" """ and "&

c. """ and "&d. "" and """

e. " "" and """

____ ,0. -ow many lone pairsof electrons are there on the =e atom in the =e* molecule?

a. one

b. two

c. three

d. four


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e. ero

____ ,1. -ow many lone pairsof electrons are there on the > atom in the >Cl molecule?

a. one

b. two

c. three

d. four e. ero

____ ,#. Which of the following molecules cannotexist?

a. 7",b. 2e*#c. >*#d. C*(e. * *

b. >* * and 2eCl

____ ,. Which molecule exhibits resonance?

a. 2e"

b.5c. - >

d. 7*

e. C5

____ ,/. -ow many resonance structures does the nitrate ion


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c. (

d. +

e. 0

____ ,. -ow many resonance structures does the bicarbonate ion -C5 3 have?

a. 1

b. #c. (

d. +

e. 0

____ ,6. Which response includes all of the following molecules that contain polar covalentbonds and no others? 8It

is asking about polar bonds...not polar molecules)


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8ElectronegativitiesB - ; #.1 > ; #., 7 ; #.1 's ; #.1 Cl ; (.0 >i ; 1. >b ; 1.69

a. - >

b. 7-

c. 'sCl

d. >i-

e. >bCl

____ ,. Which molecule contains the leastpolar bonds?

8ElectronegativitiesB - ; #.1 C ; #., * ; +.0 Cl ; (.0 2r ; #. " ; #.,9

a. C*

b. CCl

c. C2r

d. C"

e. C-____ . Which one of the following molecules has a dipole moment?

a. Cl

b. -

c. "d. 2rCl

e. 5#b. potassium bromide 42r

c. hydrogen chloride -Cl

d. ammonia E7 shell

e. %ewis shell

____ 1. $he valence shellis

a. the highest energy level occupied by electrons.b. the set of orbitals used to ma@e triple bonds.

c. the orbitals belonging to the entire molecule.

d. the lowest energy level occupied by electrons.

e. the hard covering on crustaceans.

____ #. What is the electronic geometry for , regions of high electron density on a central atom?

a. octahedral

b. s!uare planar


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c. tetrahedral

d. trigonal bipyramidal

e. trigonal planar

____ (. $he electronic geometry is

a. the arrangement of atoms around the central atom in a molecule.

b. the arrangement of - atoms around the central atom in a molecule.

c. the arrangement of regions of high electron density around the central atom in a molecule.

d. the arrangement of lone pairs around the central atom in a molecule.e. the sets of !uantum numbers for a central atom.

____ +. What is the electronic geometry for regions of high electron density on a central atom?

a. octahedralb. s!uare planar

c. trigonal bipyramidal

d. tetrahedral

e. trigonal planar

____ ,. What angle8s9 are associated with a central atom that has octahedralelectronicgeometry?

a. 106.,F

b. 1#0Fc. 1#0F and 10F

d. 60F and 1#0F

e. 60F and 10F

____ . What angle8s9 are associated with a central atom that has tetrahedralelectronicgeometry?

a. 106.,F

b. 1#0F

c. 1#0F and 10F

d. 60F and 1#0F

e. 60F and 10F

____ /. Which of the following is notone of the basic ideas of the &>E7 theory?

a. Each electron group in the valence shell of a central atom is significant.

b. $he groups of valence shell electrons on the central atom repel one another.c. $he groups of valence shell electrons are arranged about the central atom so that the

repulsions among them are as small as possible.

d. $he electron groups have maximum separation about the central atom.

e. $he number of electron groups is determined by counting the number of lone pairs and thetotal number of bonds.

____ . Which of the following statements concerning polarmolecules is false?

a. $here must be at least one polar bond or one unshared pair of electrons on the central atom.b. "f there are more than one polar bond they must not be symmetrically arranged so that

their polarities cancel.

c. "f there are more than one unshared pair of electrons on the central atom they must not be

symmetrically arranged so that their polarities cancel.

d. $here must be an odd number of polar bonds so that their polarities not cancel.e. ' molecule with symmetrically arranged polar bonds can be polar if the central atom is

bonded to atoms of different elements.

____ 6. Which one of the following molecules is polar?

a.


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e. -#5

____ 60. Which one of the following molecules is nonpolar?

a. -#5

b. C5#c. C>5

d. i-+e. >i-#Cl#

____ 6#. )raw the dot formula for the -


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""". $he orbitals resulting fromsp(d#hybridiation are directed toward the corners of an

octahedron.

"&. ' set ofsp(orbitals results from the mixing of one sorbital and threep orbitals.

a. "" and "&b. " "" and "&

c. "" """ and "&d. """ and "&

e. all are true

____ 6/. $he hybridiation associated with the central atom of a molecule in which all the bond angles are 1#0F is

____.

a. sp

b. sp#

c. sp(

d. sp(d

e. sp(d#

____ 6. $he hybridiation associated with the central atom of a molecule in which all the bond angles are 106.,F is

____.

a. sp

b. sp#

c. sp(

d. sp(d

e. sp(d#

____ 66. $he bond angles associated withsp(d#hybridiation are ____.

a. 60F and 10F

b. 1#0F

c. 106F

d. 60F and 1#0Fe. 106F and 1#0F

____ 100. $he central atom in a molecule is bonded to ( other atoms and has # lone pairs. What type of hybrid orbitalsare formed by the central atom?a. sp

b. sp#

c. sp(

d. sp(de. sp(d#

____ 101. $he central atom in a molecule is sharing a total of 1# electrons. What type of hybrid orbitals are formed by

the central atom?

a. sp

b. sp#

c. sp(

d. sp(

de. sp(d#

____ 10#. $he 53


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____ 110. Which statement about the water molecule is incorrect?

a. $he decrease in bond angle from the tetrahedral angle 8106.,F9 is greater for -#5 than for


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a. + #

b., #c. , 1

d. , 0

e. #

____ 11. Which molecule is incorrectly matched with the moleculargeometry?

Molecule Molecular eometry

a. CCl+ tetrahedral

b. 7-( pyramidal

c. 2eCl# linear

d. 22r ( trigonal planar

e. >5# linear____ 116. Which molecule is incorrectly matched with the moleculargeometry?

Molecule Molecular eometry

a. "(3 linear

b. 2r*( $3shaped

c. 2-+3 tetrahedral

d. >bCl, trigonal bipyramidal

e. e* sp(d

b. C5# spc.


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a. >iCl+ 106.,F

b. 2e"# slightly less than 106F

c. >* 60F 8and 10F9

d. 's*, 60F 1#0F 8and 10F9

e. 2*( 1#0F

____ 1#(. Which species is incorrectlymatched with bond angles?

Molecule 2ond 'ngles

a. C"+ 106.,F

b. 2e*# 10F

c. -" 60F

d. "(3 10F

e. 2"( 1#0F


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bonding test review

!nswer "ection

M#L$I%L& C'(IC&

1. 'B E 7$>B 1#. 'B ' 7$>B 1

(. 'B 2 7$>B 1 $57B %ewis )ot *ormulas of 'toms

+. 'B ) 7$>B 1 $57B %ewis )ot *ormulas of 'toms

,. 'B ) 7$>B 1 $57B %ewis )ot *ormulas of 'toms

. 'B ' 7$>B 1 $57B %ewis )ot *ormulas of 'toms

/. 'B C 7$>B 1 $57B %ewis )ot *ormulas of 'toms

. 'B 2 7$>B 1 $57B %ewis )ot *ormulas of 'toms

6. 'B C 7$>B 1 )"*B H -arder Duestion

$57B %ewis )ot *ormulas of 'toms

10. 'B ) 7$>B 1 $57B *ormation of "onic Compounds

11. 'B C 7$>B 1 $57B *ormation of "onic Compounds1#. 'B C 7$>B 1 $57B *ormation of "onic Compounds

1(. 'B C 7$>B 1 $57B *ormation of "onic Compounds

1+. 'B C 7$>B 1 $57B *ormation of "onic Compounds

1,. 'B 2 7$>B 1 $57B *ormation of "onic Compounds

1. 'B E 7$>B 1 $57B *ormation of "onic Compounds

1/. 'B ' 7$>B 1 $57B *ormation of "onic Compounds

1. 'B C 7$>B 1 $57B *ormation of "onic Compounds

16. 'B ' 7$>B 1 $57B *ormation of "onic Compounds

#0. 'B ) 7$>B 1 $57B *ormation of "onic Compounds

#1. 'B E 7$>B 1 $57B *ormation of "onic Compounds

##. 'B ) 7$>B 1 $57B *ormation of "onic Compounds#(. 'B E 7$>B 1 $57B *ormation of "onic Compounds

#+. 'B ) 7$>B 1 $57B *ormation of "onic Compounds

#,. 'B 2 7$>B 1 $57B *ormation of "onic Compounds

#. 'B ) 7$>B 1 $57B *ormation of "onic Compounds

#/. 'B 2 7$>B 1 $57B *ormation of Covalent 2onds

#. 'B E 7$>B 1 $57B *ormation of Covalent 2onds

#6. 'B ' 7$>B 1 $57B 2ond %engths and 2ond Energies

(0. 'B 2 7$>B 1 $57B 2ond %engths and 2ond Energies

(1. 'B C 7$>B 1 $57B %ewis *ormulas for Molecules and 7olyatomic "ons

(#. 'B 2 7$>B 1 $57B %ewis *ormulas for Molecules and 7olyatomic "ons

((. 'B ) 7$>B 1 $57B %ewis *ormulas for Molecules and 7olyatomic "ons(+. 'B E 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

(,. 'B ' 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

(. 'B 2 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

(/. 'B C 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

(. 'B ' 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

(6. 'B ) 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

+0. 'B ) 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule


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+1. 'B C 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

+#. 'B ' 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

+(. 'B 2 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

++. 'B ' 7$>B 1 $57B Writing %ewis *ormulasB $he 5ctet ule

+,. 'B C 7$>B 1 $57B *ormal Charge

+. 'B 2 7$>B 1 $57B *ormal Charge+/. 'B C 7$>B 1

$57B Writing %ewis *ormulasB %imitations of the 5ctet ule for %ewis *ormulas

+. 'B ) 7$>B 1


+6. 'B ' 7$>B 1


,0. 'B 2 7$>B 1


,1. 'B ' 7$>B 1


,#. 'B ) 7$>B 1

$57B Writing %ewis *ormulasB %imitations of the 5ctet ule for %ewis *ormulas,(. 'B E 7$>B 1


,+. 'B ) 7$>B 1


,,. 'B E 7$>B 1


,. 'B 2 7$>B 1 $57B esonance

,/. 'B C 7$>B 1 $57B esonance

,. 'B 2 7$>B 1 $57B esonance

,6. 'B E 7$>B 1 $57B 7olar and B 1 $57B 7olar and B 1 $57B 7olar and B 1 $57B 7olar and B 1 $57B )ipole Moments

. 'B ) 7$>B 1 $57B )ipole Moments

6. 'B ) 7$>B 1 $57B )ipole Moments

/0. 'B 2 7$>B 1 $57B $he Continuous ange of 2onding $ypes

/1. 'B C 7$>B 1 $57B $he Continuous ange of 2onding $ypes/#. 'B C 7$>B 1 $57B 'dditional Duestions

/(. 'B C 7$>B 1 $57B 'dditional Duestions

/+. 'B ) 7$>B 1 $57B 'dditional Duestions

/,. 'B C 7$>B 1 $57B 'dditional Duestions

/. 'B 2 7$>B 1 $57B 'dditional Duestions

//. 'B ' 7$>B 1 $57B 'dditional Duestions

/. 'B 2 7$>B 1 $57B 'dditional Duestions


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/6. 'B ) 7$>B 1 $57B 'dditional Duestions

0. 'B ' 7$>B 1 $57B ' 7review of the Chapter

1. 'B ' 7$>B 1 $57B ' 7review of the Chapter

#. 'B ) 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory

(. 'B C 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory

+. 'B ' 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory,. 'B E 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory

. 'B ' 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory

/. 'B E 7$>B 1 $57B &alence >hell Electron 7air epulsion 8&>E79 $heory

. 'B ) 7$>B 1 $57B 7olar MoleculesB $he "nfluence of Molecular eometry

6. 'B E 7$>B 1 $57B 7olar MoleculesB $he "nfluence of Molecular eometry

60. 'B 2 7$>B 1 $57B 7olar MoleculesB $he "nfluence of Molecular eometry

61. 'B ) 7$>B 1 $57B 7olar MoleculesB $he "nfluence of Molecular eometry

6#. 'B 2 7$>B 1 $57B &alence 2ond 8&29 $heory

6(. 'B C 7$>B 1 $57B &alence 2ond 8&29 $heory

6+. 'B ) 7$>B 1 )"*B H -arder Duestion

$57B &alence 2ond 8&29 $heory

6,. 'B E 7$>B 1 $57B &alence 2ond 8&29 $heory

6. 'B ) 7$>B 1 $57B &alence 2ond 8&29 $heory

6/. 'B 2 7$>B 1 $57B &alence 2ond 8&29 $heory

6. 'B C 7$>B 1 $57B &alence 2ond 8&29 $heory

66. 'B ' 7$>B 1 $57B &alence 2ond 8&29 $heory

100. 'B ) 7$>B 1 $57B &alence 2ond 8&29 $heory

101. 'B E 7$>B 1 $57B &alence 2ond 8&29 $heory

10#. 'B ' 7$>B 1 $57B &alence 2ond 8&29 $heory

10(. 'B C 7$>B 1 $57B %inear Electronic eometryB '2# >pecies

10+. 'B 2 7$>B 1 $57B $rigonal 7lanar Electronic eometry

10,. 'B C 7$>B 1 $57B $etrahedral Electronic eometryB '2+ >pecies

10. 'B E 7$>B 1 $57B $etrahedral Electronic eometryB '2+ >pecies

10/. 'B 2 7$>B 1 $57B $etrahedral Electronic eometryB '2+ >pecies

10. 'B ' 7$>B 1 $57B $etrahedral Electronic eometryB '2(I >pecies

106. 'B C 7$>B 1 $57B $etrahedral Electronic eometryB '2#I# >pecies

110. 'B ) 7$>B 1 $57B $etrahedral Electronic eometryB '2#I# >pecies

111. 'B ) 7$>B 1

$57B $rigonal 2ipyramidal Electronic eometryB '2, '2+I '2(I# and '2#I(

11#. 'B ' 7$>B 1

$57B $rigonal 2ipyramidal Electronic eometryB '2, '2+I '2(I# and '2#I(

11(. 'B 2 7$>B 1

$57B 5ctahedral Electronic eometryB '2 '2,I and '2+I#

11+. 'B C 7$>B 1$57B 5ctahedral Electronic eometryB '2 '2,I and '2+I#

11,. 'B ) 7$>B 1

$57B 5ctahedral Electronic eometryB '2 '2,I and '2+I#

11. 'B ) 7$>B 1 $57B Compounds Containing )ouble or $riple 2onds

11/. 'B C 7$>B 1 $57B Compounds Containing )ouble or $riple 2onds

11. 'B E 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries

116. 'B E 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries


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1#0. 'B ) 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries

1#1. 'B ' 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries

1##. 'B 2 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries

1#(. 'B C 7$>B 1 $57B ' >ummary of Electronic and Molecular eometries

bonding practice test 2 (1)

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