Exam (elaborations)
ACS GEN CHEM 1 FINAL TEST WITH COMPLETE SOLUTIONS
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ACS GEN CHEM 1 FINAL TEST WITH COMPLETE SOLUTIONS
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ACS GEN CHEM 1 FINAL TEST WITHCOMPLETE SOLUTIONS
thecphysicalcmaterialcofcthecuniverse.cItciscanythingcthatchascmasscandcoccupiescspa
ce.c-ccorrectcanswer-Matter
iscmadecupcofcrelativelycfewcelements.c-ccorrectcanswer-Matter
Thecsmallestcbuildingcblockcofcmatter.cSmallestcparticlecthatcretainscthecchemicalcpr
opertycofcthecelementc(O,cHe,cS).c-ccorrectcanswer-Atom
Eachc_______ciscmadecofcthecsameckindcofcatomc-ccorrectcanswer-Element
Combinationcofcatomscheldctogethercincspecificcshapesc-ccorrectcanswer-Molecule
Nocfixedcvolumecorcshape,cconformscto
volumecandcshapecofccontainer,cisccompressiblec-ccorrectcanswer-Gas
Individualcparticlescarecconfinedctocacgivencvolume,cliquidcflowsc(nocdefinitecshape)c
andcassumescthecshapecofcitsccontainercupctocthecvolumecofcthecliquid,cslightlyccom
pressiblec-ccorrectcanswer-Liquid
Rigidcwithcdefinitecshape,cverycslightlyccompressiblec-ccorrectcanswer-Solid
thesecstablecdiatomicsc-ccorrectcanswer-
H2,O2,cN2,candcthecHalogensc(F2,cCl2,cBr2,cI2)
Differentcsamplescofcanycpureccompoundccontaincthecsamecelementscincthecsamecpr
oportioncbycmassc-ccorrectcanswer-LawcofcConstantc(Definite)cComposition
characteristicscofcacsubstance.cCancbecobservedcwithoutcchangingcacsubstancecinto
canothercsubstancec-ccorrectcanswer-PhysicalcProperties
Describescthecreactivitycofcacsubstance.cCanconlycbecobservedcwhencacsubstancecis
cchangedcintocanothercsubstancec-ccorrectcanswer-Chemicalcproperties:
, Doescnotcdependconcamount.c-ccorrectcanswer-Intensivecpropertyc:
Dependsconcamount.c-ccorrectcanswer-Extensivecproperty
Substancesctransformcintocchemicallycdifferentcsubstancesc-ccorrectcanswer-
Chemicalcchange
Nocchangecincchemicalccompositionc-ccorrectcanswer-Physicalcchange
Howcclosectocthectruecvaluecacgivencmeasurementcis.c-ccorrectcanswer-Accuracy
Howcwellcacnumbercofcindependentcmeasurementscagreecwithconecanother.c-
ccorrectcanswer-Precision
Electronscwerecdiscoveredcbyc______cinc1897,cwhile
Millikan'scOilcDropcexperimentcdeterminedcitsccharge.
•cNeutronscwerecdiscoveredcbycJamescChadwickcinc1932.c-ccorrectcanswer-
J.J.cThompson
Postulatedcacverycsmall,cdensecnucleuscwithcthecelectronscaroundcthecoutsidecofcthe
catom.cMostcofcthecvolumecofcthecatomciscemptycspace.c-ccorrectcanswer-Rutherford
Protonscwerecdiscoveredcby______inc1919.c-ccorrectcanswer-Rutherford
Neutronscwerecdiscoveredcby________cinc1932.c-ccorrectcanswer-JamescChadwick
1)cAllcmatterciscmadecofcatoms.cAtomscarecindivisiblecandcindestructible.
2)cAllcatomscofcacgivencelementcarecidenticalcincmasscandcproperties
3)cCompoundscarecformedcbycaccombinationcofctwocorcmorecdifferentckindscofcatoms
.
4)cAcchemicalcreactionciscacrearrangementcofcatoms.c-ccorrectcanswer-
Dalton'scAtomiccTheory
OrganiccalkANEsc-ccorrectcanswer-MothercEatscPeanutcButter:c
Methane:cCH4
Ethane:cC2H6
Propane:cC3H8
Butane:cC4H10
...thencgreekcprefixes
Uniformcthroughout,cair,cmilk,cseacwaterc-ccorrectcanswer-Homogeneouscmixture
Notcuniform,cchocolatecchipccookiec-ccorrectcanswer-Heterogenouscmixture
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