智慧树Basic Chemistry 基础化学答案(知到期末答案)
23 min read智慧树Basic Chemistry 基础化学答案(知到期末答案)
1、智慧单选题：
Solidshavea__________shapeandarenotappreciably__________.
选项：
A:sharp,础化convertible
B:definite,incompressible
C:indefinite,incompressible
D:indefinite,compressible
E:definite,compressible
答案:【definite,compressible】
2、单选题：
The学答symbolfortheelementpotassiumis__________.
选项：
A:K
B:Ca
C:Pt
D:P
E:S
答案:【K】
3、单选题：
The案知案SIunitformassis__________.
选项：
A:gram
B:kilogram
C:troyounce
D:pound
答案:【kilogram】
4、单选题：
The到期temperatureof25°Cis__________inkelvins.
选项：
A:138
B:298
C:248
D:103
E:166
答案:【298】
5、单选题：
The末答densityofsilveris10.5g/cm3.Apieceofsilverwithamassof61.3gwouldoccupyavolumeof__________cm3.
选项：
A:0.171
B:0.00155
C:10.5
D:644
E:5.84
答案:【5.84】
6、单选题：
The智慧correctresultofthemolecularmasscalculationforH2SO4is________.4×15.9994+32.066+2×1.0079
选项：
A:98.079
B:98.08
C:98.074
D:98.838
E:98.84
答案:【98.079】
7、单选题：
The础化reare__________significantfiguresintheanswertothefollowingcomputation:(29.2-20.0)(1.79×105)/1.39
选项：
A:1
B:2
C:3
D:4
E:5
答案:【2】
8、单选题：
Ofthefollowing,学答__________isthesmallestmass.
选项：
A:25kg
B:2.5×109fg
C:2.5×10-2mg
D:2.5×1010ng
E:2.5×1015pg
答案:【2.5×109fg】
9、单选题：
Accuracyrefersto__________.
选项：
A:howcloseameasurednumberistoinfinity
B:howcloseameasurednumberistothecalculatedvalue
C:howcloseameasurednumberistoothermeasurednumbers
D:howcloseameasurednumberistothetruevalue
E:howcloseameasurednumberistozero
答案:【howcloseameasurednumberistothetruevalue】
10、案知案单选题：
Inwhichoneofthefollowingnumbersareallofthezerossignificant?到期
选项：
A:0.05843
B:0.003002
C:0.1
D:100.09009
E:0.14329
答案:【100.09009】
1、单选题：
Acertainmassofcarbonreactswith13.6gofoxygentoformcarbonmonoxide.__________gramsofoxygenwouldreactwiththatsamemassofcarbontoformcarbondioxide,末答accordingtothelawofmultipleproportions?
选项：
A:27.2
B:25.6
C:6.8
D:136
E:13.6
答案:【27.2】
2、单选题：
Whichstatementbelowcorrectlydescribestheresponsesofalpha,智慧beta,andgammaradiationtoanelectricfield?
选项：
A:Bothalphaandgammaaredeflectedinthesamedirection,whilebetashowsnoresponse
B:Bothbetaandgammaaredeflectedinthesamedirection,whilealphashowsnoresponse
C:Bothalphaandbetaaredeflectedinthesamedirection,whilegammashowsnoresponse
D:Onlyalphaisdeflected,whilebetaandgammashownoresponse
E:Alphaandbetaaredeflectedinoppositedirections,whilegammashowsnoresponse
答案:【Alphaandbetaaredeflectedinoppositedirections,whilegammashowsnoresponse】
3、单选题：
__________and__________resideintheatomicnucleus.
选项：
A:Neutrons,础化onlyneutrons
B:Protons,electrons
C:Electrons,neutrons
D:Protons,neutrons
E:noneoftheabove
答案:【Protons,neutrons】
4、单选题：
Whichoneofthefollowingisnottrueconcerningcathoderays?学答
选项：
A:Theytravelinstraightlinesintheabsenceofelectricormagneticfields
B:Theyaremadeupofelectrons
C:Theyimpartanegativechargetometalsexposedtothem
D:Theyoriginatefromthenegativeelectrode
E:Thecharacteristicsofcathoderaysdependonthematerialfromwhichtheyareemitted
答案:【Thecharacteristicsofcathoderaysdependonthematerialfromwhichtheyareemitted】
5、单选题：
Thechargeonanelectronwasdeterminedinthe__________.
选项：
A:Daltonatomictheory
B:Millikanoildropexperiment
C:cathoderaytube,byJ.J.Thompson
D:atomictheoryofmatter
E:Rutherfordgoldfoilexperiment
答案:【Millikanoildropexperiment】
6、单选题：
IntheRutherfordnuclear-atommodel,__________.
选项：
A:thethreeprincipalsubatomicparticles(protons,neutrons,andelectrons)allhaveessentiallythesamemassandmassisspreadessentiallyuniformlythroughouttheatom
B:massisspreadessentiallyuniformlythroughouttheatom
C:thelightsubatomicparticles,protonsandneutrons,resideinthenucleus
D:theheavysubatomicparticles,protonsandneutrons,resideinthenucleus
E:thethreeprincipalsubatomicparticles(protons,neutrons,andelectrons)allhaveessentiallythesamemass
答案:【theheavysubatomicparticles,protonsandneutrons,resideinthenucleus】
7、单选题：
Allatomsofagivenelementhavethesame__________.
选项：
A:numberofelectronsandneutrons
B:mass
C:density
D:numberofprotons
E:numberofneutrons
答案:【numberofprotons】
8、单选题：
Anatomofthemostcommonisotopeofgold,197Au,has__________protons,__________neutrons,and__________electrons.
选项：
A:118,79,39
B:79,118,79
C:79,197,197
D:197,79,118
E:79,118,118
答案:【79,118,79】
9、单选题：
Whichcombinationofprotons,neutrons,andelectronsiscorrectfortheisotopecopper-63,?
选项：
A:29p+,29n°,63e?
B:34p+,29n°,34e?
C:34p+,34n°,29e?
D:29p+,34n°,29e?
E:63p+,29n°,63e?
答案:【29p+,34n°,29e?】
10、单选题：
Isotopesareatomsthathavethesamenumberof__________butdifferingnumberof__________.
选项：
A:electrons,protons
B:protons,electrons
C:protons,neutrons
D:neutrons,electrons
E:neutrons,protons
答案:【protons,neutrons】
