Chem 103 Midterm 1 UW MADISON
Questions and Answers
Monatomic-ACORRECTAANSWERS-LostAorAgainedAe-
AtomicA#A-ACORRECTAANSWERS-ProtonsA(electronsAifAstable)
AtomicAmassA-ACORRECTAANSWERS-ProtonsAandAneutrons
AlakiAmetalsA-ACORRECTAANSWERS-GroupA1A,AcolumnA(+1Acharge)
AlkalineAearthAmetalsA-ACORRECTAANSWERS-GroupA2A,AcolumnA(+2Acharge)
HalogensA-ACORRECTAANSWERS-GroupA7A,AcolumnA(-2Acharge)
NobelAgasesA-ACORRECTAANSWERS-GroupA8A,Acolumn,A(-1Acharge)
UpperArightAofAperiodicAtableAgains...A-ACORRECTAANSWERS-
electronegativityAandAionizationAenergy
lowerAleftAofAperiodicAtableAgains...A-ACORRECTAANSWERS-AtomicAradius
PolyatomicAionsA-ACORRECTAANSWERS-CarryAaAnetAcharge
BinaryAcompoundsA-ACORRECTAANSWERS-ConsistAofA2Anon-metalAelements
HowAtoAnameAbinaryAcompoundsA-ACORRECTAANSWERS-
1.AnameAelementsAinAformulaAorder
2.AeachAwordAaddAaAprefixAtoAknowA#AofAatomsApresent
3.AadA-ideAtoAtheAendAofAtheA2ndAelement
NameAN2F4A-ACORRECTAANSWERS-DinitrogenATetrafluoride
AmmoniumA(+charge)A-ACORRECTAANSWERS-NH4+
HydroniumA-ACORRECTAANSWERS-H3O+
HydroxideA-ACORRECTAANSWERS-OH-
AcetateA-ACORRECTAANSWERS-CH3COO-
NitrateA-ACORRECTAANSWERS-NO3-
PERMANGANATEA-ACORRECTAANSWERS-MnO4-
HydrogenACarbonateA-ACORRECTAANSWERS-HCO3-
CarbonateA-ACORRECTAANSWERS-CO3A-2
HydrogenASulfateA-ACORRECTAANSWERS-HSO4A-
SulfateA-ACORRECTAANSWERS-SO4A2-
PhosphateA(CHARGE)A-ACORRECTAANSWERS-PO4A3-
1uA-ACORRECTAANSWERS-1.6605x10^-27kg
percentAabundanceA-ACORRECTAANSWERS-
#AofAatomsAinAanAisotopeAoverAtotalA#AofAatomsAofAallAisotopesAofAanAelement
SampleApercentAabundanceAequation:AelementAXiAhasA2Aisotopes,A71AandA69.AtheAaverag
eAatomicAmassAisA69.8.AfindAtheApercentAabundanceAofAeachAisotope.A-
ACORRECTAANSWERS-SampleAequationAtoAsolve:
Xi71(X)A+AXi69(x-1)A=A69.8.AsolveAforAx
HardAionizationA-ACORRECTAANSWERS-
identifiesAratioAofAelementsA(empericalAformula)AidentifiesAwhichAelementA(atAwhichAamuAp
eak)
SoftAionizationA-ACORRECTAANSWERS-
identifiesAactualAamountAofAeachAelementAtoAfindAequation
Questions and Answers
Monatomic-ACORRECTAANSWERS-LostAorAgainedAe-
AtomicA#A-ACORRECTAANSWERS-ProtonsA(electronsAifAstable)
AtomicAmassA-ACORRECTAANSWERS-ProtonsAandAneutrons
AlakiAmetalsA-ACORRECTAANSWERS-GroupA1A,AcolumnA(+1Acharge)
AlkalineAearthAmetalsA-ACORRECTAANSWERS-GroupA2A,AcolumnA(+2Acharge)
HalogensA-ACORRECTAANSWERS-GroupA7A,AcolumnA(-2Acharge)
NobelAgasesA-ACORRECTAANSWERS-GroupA8A,Acolumn,A(-1Acharge)
UpperArightAofAperiodicAtableAgains...A-ACORRECTAANSWERS-
electronegativityAandAionizationAenergy
lowerAleftAofAperiodicAtableAgains...A-ACORRECTAANSWERS-AtomicAradius
PolyatomicAionsA-ACORRECTAANSWERS-CarryAaAnetAcharge
BinaryAcompoundsA-ACORRECTAANSWERS-ConsistAofA2Anon-metalAelements
HowAtoAnameAbinaryAcompoundsA-ACORRECTAANSWERS-
1.AnameAelementsAinAformulaAorder
2.AeachAwordAaddAaAprefixAtoAknowA#AofAatomsApresent
3.AadA-ideAtoAtheAendAofAtheA2ndAelement
NameAN2F4A-ACORRECTAANSWERS-DinitrogenATetrafluoride
AmmoniumA(+charge)A-ACORRECTAANSWERS-NH4+
HydroniumA-ACORRECTAANSWERS-H3O+
HydroxideA-ACORRECTAANSWERS-OH-
AcetateA-ACORRECTAANSWERS-CH3COO-
NitrateA-ACORRECTAANSWERS-NO3-
PERMANGANATEA-ACORRECTAANSWERS-MnO4-
HydrogenACarbonateA-ACORRECTAANSWERS-HCO3-
CarbonateA-ACORRECTAANSWERS-CO3A-2
HydrogenASulfateA-ACORRECTAANSWERS-HSO4A-
SulfateA-ACORRECTAANSWERS-SO4A2-
PhosphateA(CHARGE)A-ACORRECTAANSWERS-PO4A3-
1uA-ACORRECTAANSWERS-1.6605x10^-27kg
percentAabundanceA-ACORRECTAANSWERS-
#AofAatomsAinAanAisotopeAoverAtotalA#AofAatomsAofAallAisotopesAofAanAelement
SampleApercentAabundanceAequation:AelementAXiAhasA2Aisotopes,A71AandA69.AtheAaverag
eAatomicAmassAisA69.8.AfindAtheApercentAabundanceAofAeachAisotope.A-
ACORRECTAANSWERS-SampleAequationAtoAsolve:
Xi71(X)A+AXi69(x-1)A=A69.8.AsolveAforAx
HardAionizationA-ACORRECTAANSWERS-
identifiesAratioAofAelementsA(empericalAformula)AidentifiesAwhichAelementA(atAwhichAamuAp
eak)
SoftAionizationA-ACORRECTAANSWERS-
identifiesAactualAamountAofAeachAelementAtoAfindAequation