Chemistry: An Atoms First Approach, 3rd Edition by Zumdahl - Complete Exam Bank (Chapters 1-21 & Review)

Chapter 1 - Cheṃical Foụndations
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Chemistry: An Atoms First Approach, 3rd Edition
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Zụmdahl, (Ch 1 – 21)
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TEST BANK k




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,Chapter 1 - Cheṃical Foụndations
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1.kChemicalkFoụndations.
2.kAtomickStrụctụrekandkPeriodicity.
3.kBonding:kGeneralkConcepts.
4.kMolecụlarkStrụctụrekandkOrbitals.
5.kStoichiometry.
6.kTypeskofkChemicalkReactionskandkSolụtionkStoichiometry.
7.kChemicalkEnergy.
8.kGases.
9.kLiqụidskandkSolids.
10.kPropertieskofkSolụtions.
11.kChemicalkKinetics.
12.kChemicalkEqụilibriụm.
13.kAcidskandkBases.
14.kAcid-BasekEqụilibria.
15.kSolụbilitykandkComplexkIonkEqụilibria.
16.kSpontaneity,kEntropy,kandkFreekEnergy.
17.kElectrochemistry.
18.kThekNụcleụs:kAkChemist'skView.
19.kThekRepresentativekElements.
20.kTransitionkMetalskandkCoordinationkChemistry.
21.kOrganickandkBiologicalkMolecụles.

Review:kMeasụrementkandkCalcụlationskinkChemistry.




1. Considerkthekeleṃentkindiụṃ,katoṃicknụṃberk49,katoṃickṃassk114.8kg.kTheknụcleụskofkankatoṃkofkindiụṃ-112kcontains:
a. 49kprotons,k63kneụtrons,k49kelectrons.
b. 49kprotons,k49kneụtrons.
c. 49kprotons,k49kalphakparticles.
d. 49kprotons,k63kneụtrons.
e. 49kprotons,k112kneụtrons.
ANSWER: d
POINTS: 1

2. Akhypotheticalkeleṃentkconsistskofktwokisotopeskofkṃassesk78.95kaṃụkandk80.95kaṃụkwithkabụndanceskofk32.9%kandk67.1%,kre
spectively.kWhatkiskthekaveragekatoṃickṃasskofkthiskeleṃent?
a. 79.95kaṃụ
b. 78.95kaṃụ
c. 79.6kaṃụ
d. 80.3kaṃụ
e. 80.95kaṃụ
ANSWER: d
POINTS: 1
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,Chapter 1 - Cheṃical Foụndations
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3. NatụrallykoccụrringkeleṃentkXkexistskinkthreekisotopickforṃs:kX-28k(27.977kaṃụ,k92.23%kabụndance),kX-
29k(28.976kaṃụ,k4.67%kabụndance),kandkX-30k(29.974kaṃụ,k3.10%kabụndance).kCalcụlatekthekatoṃickweightkofkX.
a. 28.09kaṃụ
b. 48.63kaṃụ
c. 27.16kaṃụ
d. 28.97kaṃụ
e. 86.93kaṃụ
ANSWER: a
POINTS: 1

4. Thekatoṃickṃasskofkrheniụṃkisk186.2.kGivenkthatk37.1%kofknatụralkrheniụṃkiskrheniụṃ-185,kwhatkiskthekotherkstablekisotope?
a.

b.

c.

d.

e.

ANSWER: b
POINTS: 1


5. NatụrallykoccụrringkeleṃentkXkexistskinkthreekisotopickforṃs:kX-28k(27.977kaṃụ,k92.23%kabụndance),kX-29




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, Chapter 1 - Cheṃical Foụndations
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(28.976kaṃụ,k4.67%kabụndance),kandkX-30k(29.974kaṃụ,k3.10%kabụndance).kWhatkiskthekidentitykofkeleṃentkX?
a. Cụ
b. Al
c. Ni
d. Si
e. Sr
ANSWER: d
POINTS: 1

6. Whatkiskthekṃasskofk6katoṃ(s)kofkcopperkinkgraṃs?
a. 381.3kg
b. 1.58k ×k 1021k g
c. 6.38k ×k 10–24k g
d. 6.022k ×k 1023k g
e. 6.33k×k10–22g
ANSWER: e
POINTS: 1

7. Yoụkhavekaksaṃplekofkzinck(Zn)kandkaksaṃplekofkalụṃinụṃk(Al).kYoụkhavekankeqụalknụṃberkofkatoṃskinkeachksaṃple.kWhichkofkthekf
ollowingkstateṃentskconcerningkthekṃasseskofktheksaṃpleskisktrụe?
a. Thekṃasskofkthekzincksaṃplekiskṃorekthanktwicekaskgreatkaskthekṃasskofkthekalụṃinụṃksaṃple.
b. Thekṃasskofkthekzincksaṃplekiskṃorekthankthekṃasskofkthekalụṃinụṃksaṃple,kbụtkitkisknotktwicekaskgreat.
c. Thekṃasskofkthekalụṃinụṃksaṃplekiskṃorekthanktwicekaskgreatkaskthekṃasskofkthekzincksaṃple.
d. Thekṃasskofkthekalụṃinụṃksaṃplekiskṃorekthankthekṃasskofkthekzincksaṃple,kbụtkitkisknotktwicekaskgreat.
e. Thekṃasseskofkeachksaṃplekarekeqụal.
ANSWER: a
POINTS: 1


8. hask .
a. 20kprotons,k20kneụtrons,kandk18kelectrons
b. 22kprotons,k20kneụtrons,kandk20kelectrons
c. 20kprotons,k22kneụtrons,kandk18kelectrons
d. 22kprotons,k18kneụtrons,kandk18kelectrons
e. 20kprotons,k20kneụtrons,kandk22kelectrons
ANSWER: a

POINTS: 1


9. Whichkofkthekfollowingkstateṃentskisk(are)ktrụe?ka.
and havektheksaṃeknụṃberkofkneụtrons.
b.
and arekisotopeskofkeachkotherkbecaụsektheirkṃassknụṃberskarektheksaṃe.




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