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Exam (elaborations)

CHEMISTRY FINAL ACS EXAM WITH QUESTIONS AND ANSWERS

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CHEMISTRY FINAL ACS EXAM WITH QUESTIONS AND ANSWERS

Institution
CHEMISTRY ACS
Course
CHEMISTRY ACS









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Institution
CHEMISTRY ACS
Course
CHEMISTRY ACS

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Uploaded on
August 22, 2024
Number of pages
6
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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CHEMISTRY FINAL ACS
EXAM WITH QUESTIONS
AND ANSWERS




Accuracy?j-jcorrectjanswer-
ClosenessjofjmeasurementsjtojthejTRUEjVALUEjofjwhatjisjbeingjmeasured

Precision?j-jcorrectjanswer-ClosenessjofjajSETjofjmeasurements

HowjdojyoujcalculatejPercentjError?j-jcorrectjanswer-Ijexperimental-acceptedjI
____________________jxj100j
jacceptedjvalue


Arejzerosjinfrontjofjnon-zerojdigisjsignificant?j-jcorrectjanswer-Nope!j
ex:j0.0071jisjonlyj2jsigjfigs

Arejzerosjatjthejendjofjajnumberjandjtojthejrightjofjthejdecimaljsignificant?j-
jcorrectjanswer-Yep!j
ex:j9.100jisj4jsigjfigs

Addition/Subtractionjinjregardsjtojsigjfigs?j-jcorrectjanswer-
Roundjnumbersjtojthejleastjnumberjofjdecimaljplaces

Multiplaction/Divisionjinjregardsjtojsigjfigs?j-jcorrectjanswer-
Roundjanswersjtojthejleastjamountjofjsigjfigs

, #jofje-jequalj-jcorrectjanswer-thej#jofjp+

AtomicjMass?j-jcorrectjanswer-
Numberjofjprotonsjinjthejnucleusj(numberjonjthejleftjbottomjcornerjofjthejchemicaljsym
bol)

AtomicjMassjNumber?j-jcorrectjanswer-
Numberjofjprotonsjandjneutronsj(numberjonjthejleftjupperjcornerjofjthejchemicaljsymbo
l)

Isotope?j-jcorrectjanswer-
Atomsjofjthejsamejelement,jbutjwithjdifferentjmassesj(differentjnumberjofjneutrons)

STUDYjELECTRONjCONFIGURATIONSj-jcorrectjanswer-
STUDYjELECTRONjCONFIGURATIONS

DojcolumnsjorjrowsjinjthejPeriodicjTablejhavejsimilarjpatterns?j-jcorrectjanswer-
Columnsj(thej"groups")jhavejrepeatingjpatterns?

WhichjareajofjthejPeriodicjTablejhasjgreaterjmetallicness?j-jcorrectjanswer-
Leftjandjdownjhasjgreaterjmetallicness

WhichjareajofjthejPTjhasjgreaterjatomicjsize?j-jcorrectjanswer-
Leftjandjdownjhasjajgreaterjatomicjsize

WhichjareajofjthejPTjhasjgreaterjionizationjenergy?j-jcorrectjanswer-
Rightjsidejandjupjhasjgreaterjionizationjenergy

WhichjareajofjthejPTjhasjgreaterjelectronegativity?j-jcorrectjanswer-
Rightjsidejandjupjhasjgreaterjelectronegativiy,jexceptjthejNoblejGasesjofj0jelectronega
tivy

IonicjBonding?j-jcorrectjanswer-Metaljandjajnonmetal.jGive/takejelectrons

Covalentjbonding?j-jcorrectjanswer-Nonmetaljandjajnonmetal.jSharejelectrons.

VSEPRjTheory?j-jcorrectjanswer-ValencejShelljElectronjPairjRepulsion
akajValenceje-jpairsjstayjasjfarjapartjasjpossible

Howjdojyoujdeterminejpolarity?j-jcorrectjanswer-
Usejthejchartjthatjhasjelectronegativityjvalues,jthenjsubtractjthejelementsjinjthejcompo
undjfromjeachjother.

Isjwaterjpolar?j-jcorrectjanswer-Yes!

CombinationjReaction?j-jcorrectjanswer-Aj+jBj-->jAB

DecompositionjReaction?j-jcorrectjanswer-ABj-->jAj+jB

SinglejReplacementjReaction?j-jcorrectjanswer-ABj+jCj-->jACj+jB

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