Test Bank for Chemical Principles, 8th Edition by Peter Atkins.pdf

,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
n n n n n n n n n




Chapter 02 - Atoms, Molecules, and Ions
n n n n n n



1. Accordingn ton then lawn of n definiten proportions,
a. then ration of n then massesn of n then elementsn inn an compound n isn alwaysn then same.
b. it n isn not n possiblen forn then samen twon elementsn ton formn moren thann onen compound.
c. if n then samen twon elementsn formn twon different n compounds,n theyn don son inn then samen ratio.
d. then totaln massn aftern an chemicaln changen isn then samen asn beforen then change.
ANSWER: a
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.2
KEYWORDS: compound n |n generaln chemistryn |n generaln conceptsn |n matter

2. Whichn of n then followingn pairsn of n compoundsn cann ben used n ton illustraten then law n of n multiplen proportions?
a. CaO n and n CaCl2
b. NO n and n NO 2
c. H 2 Sn and n HBr
d. SiH 4 n and n SiO 2
e. NF3 n and n NCl3
ANSWER: b
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.2
KEYWORDS: compound n |n generaln chemistryn |n generaln conceptsn |n matter

3. How n manyn of n then followingn did n Daltonn notn discussn inn hisn atomicn theory?
I. isotopes
II. ions
III. protons
IV. neutrons
V. electrons
a.n 2
b.n 5
c.n 4
d.n 1
e.n 3
ANSWER: b
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.3
KEYWORDS: atomicn theoryn of n mattern |n Dalton'sn atomicn theoryn |n earlyn atomicn theoryn |n generaln chemistry

4. Whenn 2.0n Ln of n oxygenn gasn (O2 )n reactsn withn 1.0n Ln of n nitrogenn gasn (N2 ),n 2.0n Ln of n gaseousn product n isn formed.
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,DOWNLOAD THE Test Bank for Chemical Principles 8th Edition Zumdahl
n n n n n n n n n




Chapter 02 - Atoms, Molecules, and Ions
n n n n n n



Alln volumesn of n gasesn aren measured n at n then samen temperaturen and n pressure.n What n isn then formulan of n then product?
a. NO
b. NO 4
c. N 2 O 3
d. N 2 O
e. NO 2
ANSWER: e
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.4
KEYWORDS:
chemicaln formulan |n chemicaln substancen |n earlyn atomicn theoryn |n generaln chemistryn |n molec
ularn substance

5. Whichn onen of n then followingn statementsn about n atomicn structuren isn false?
a. Almost n alln of n then massn of n then atomn isn concentrated n inn then nucleus.
b. Then protonsn and n neutronsn inn then nucleusn aren veryn tightlyn packed.
c. Then numbern of n protonsn and n then numbern of n neutronsn aren alwaysn then samen inn then neutraln atom.
d. Then electronsn occupyn an veryn largen volumen compared n ton then nucleus.
ANSWER: c
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.4
2.5
KEYWORDS: atomicn theoryn of n mattern |n earlyn atomicn theoryn |n generaln chemistryn |n nuclearn structure

6. Whichn of n then experimentsn listed n below n did n notn providen then informationn stated n about n then naturen of n then atom?
a. Then Rutherford n experiment n proved nthatnthenThomsonn "plumn pudding"n modeln ofn thenatomnwasne
ssentiallyn correct.
b. Then Rutherford n experiment n determined n then chargen onn then nucleus.
c. Then cathode-rayn tuben proved n that n electronsn haven an negativen charge.
d. Millikan'sn oil-
dropn experiment n showed n that nthenchargenonn anynparticlen wasn ansimplen multiplen of n then chargen onnthen e
lectron.
ANSWER: a
POINTS: 1
DIFFICULTY:n easy
TOPICS: 2.5
KEYWORDS: atomicn theoryn of n mattern |n earlyn atomicn theoryn |n generaln chemistryn |n structuren of n then atom

7. Whichn of n then followingn atomicn symbolsn isn incorrect?

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, a. 31 15 P
b. 19 9 F




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