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Exam (elaborations)

Acs Exam Review Questions And Answers

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ACS EXAM REVIEW QUESTIONS AND ANSWERS

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ACS EXAM REVIEW QUESTIONS
ANS ANSWERS

Rutherford's gvGold gvFoil gvExperiment gv- gvANSWERS-proposed gvthat gvatoms gvconsist
gvof gva gvtiny, gvmassive, gvpositive gvnucleus gvsurrounded gvby gvelectrons



nucleus gv- gvANSWERS-contains gvall gvthe gvpositive gvcharge gvand gvnearly gvall gvthe
gvmass gvof gvthe gvatom



James gvChadwick gv- gvANSWERS-discovered gvthe gvneutron

cathode gvrays gv- gvANSWERS-move gvfrom gvnegative gvelectrode gvto gvpositive
gvelectrode gv(like gvelectrons gvin gva gvvoltaic gvcell)



Thompson's gvCathode gvRay gvExperiment gv- gvANSWERS-discovery gvof gvthe gvelectron
gv(also gvthe gvdiscovery gvthat gvatoms gvare gvdivisible gvinto gvsmaller gvparticles)



Millikin's gvoil gvdrop gvexperiment gv- gvANSWERS-determined gvthe gvcharge gvof gvthe
gvelectron gvthrough gvhighest gvgrade gvclock gvoil gvand gvelectrons gvfrom gvX-ray gvthat

gvclung gvto gvpositive gvcharged gvoil gvdrops- gvdetermined gvthat gvelectrons gvare gvsome

gvwhole gvvalue gvof gvcharge gv(Faraday gvconstant)



Thompson's gvplum gvpudding gvmodel gv- gvANSWERS-model gvof gva gvspherical gvatom
gvcomposed gvof gvdiffuse gvpositively gvcharged gvmatter gvin gvwhich gvelectrons gvare

gvembedded gvlike gvraisins gvin gvplum gvpudding



atomic gvnumber gv- gvANSWERS-number gvof gvprotons gv(Z)

mass gvnumber gv- gvANSWERS-number gvof gvprotons gvand gvneutrons gv(nucleons) gv(A)

isotopes gv- gvANSWERS-same gvelement gvwith gvdifferent gvnumbers gvof gvneutrons

mass gvspectrometry gv- gvANSWERS-a gvmethod gvfor gvmeasuring gvthe gvrelative
gvmasses gvand gvabundances gvof gvatomic gvscale gvparticles gvvery gvprecisely



empirical gvformula gv- gvANSWERS-shows gvrelative gvnumber gvof gvatoms gvin gva
gvcompound



molecular gvformula gv- gvANSWERS-shows gvthe gvactual gvnumber gvof gvatoms gvof gveach
gvelement gvin gva gvmolecule gvof gvcompound



aufbau gvprinciple gv- gvANSWERS-the gvrule gvthat gvelectrons gvoccupy gvthe gvorbitals gvof
gvlowest gvenergy gvfirst

, quantum gvmechanics gv- gvANSWERS-mechanics gvapplied gvto gvthe gvatomic gvand
gvnuclear gvlevel gvand gvdealing gvwith gvphotons gvand gvother gvquanta gvthat gvshow gvboth

gvwave gvand gvparticle gvbehavior



Heisenburg's gvuncertainty gvprinciple gv- gvANSWERS-the gvstatement gvthat, gvdue gvto
gvthe gvlaws gvof gvquantum gvmechanics, gvit gvis gvimpossible gvto gvsimultaneously gvexactly

gvmeasure gva gvparticle's gvposition gvand gvmomentum gvor gvto gvexactly gvmeasure gva

gvparticle's gvenergy gvfor gva gvfinite gvamount gvof gvtime.



electron gvenergy gv- gvANSWERS-The gvstrength gvof gvattachment gvof gvan gvelectron gvto
gvthe gvnucleus gvof gvan gvatom; gvthe gvcloser gvand gvelectron gvto gvthe gvnucleus, gvthe

gvhigher gvthe gvelectron gvbinding gvenergy.



quantum gvnumbers gv- gvANSWERS-the gvfour gvnumbers gvthat gvdefine gveach gvparticular
gvelectron gvof gvan gvatom. gvThe gvPrinciple gvQuantum gvNumber gv(n) gvdescribes gvthe

gvelectrons' gvenergy gvand gvdistance gvfrom gvthe gvnucleus. gvThe gvAngular gvMomentum

gvQuantum gvNumber gv(l) gvdescribes gvthe gvshape gvof gvthe gvorbital gvin gvwhich gvthe

gvelectron gvresides. gvThe gvMagnetic gvQuantum gvNumber gv(m) gvdescribes gvthe

gvorientation gvof gvthe gvorbital gvin gvspace. gvThe gvSpin gvQuantum gvNumber gv(s)

gvdescribes gvwhether gvthe gvspin gvof gvthe gvelectron gvis gvpositive gvor gvnegative.



photon gv- gvANSWERS-packet gvof gvenergy

electromagnetic gvradiation gv- gvANSWERS-A gvform gvof gvenergy gvexhibiting gvwavelike
gvbehavior gvas gvit gvtravels gvthrough gvspace; gvcan gvbe gvdescribed gvby gvwavelength,

gvfrequency, gvamplitude, gvand gvspeed.



radial gvprobability gvdistributions gv- gvANSWERS-a gvgraph gvin gvwhich gvthe gvtotal
gvprobability gvof gvfinding gvthe gvelectron gvin gveach gvspherical gvshell gvis gvplotted gvversus

gvthe gvdistance gvfrom gvthe gvnucleus



isoelectronic gv- gvANSWERS-same gvnumber gvof gvelectrons

alpha gvparticle gv- gvANSWERS-...

beta gvparticle gv- gvANSWERS-...

gamma gvray gv- gvANSWERS-...

group gv1 gv- gvANSWERS-alkali gvmetals

group gv2 gv- gvANSWERS-alkaline gvearth gvmetals

group gv7 gv- gvANSWERS-halogens

group gv8 gv- gvANSWERS-noble gvgases

electromagnetic gvspectrum gv(decreasing gvenergy) gv- gvANSWERS-x-ray, gvuv-ray,
gvvisible gvlight, gvinfrared gvlight, gvmicrowaves, gvtv, gvradio gvwaves

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