Chem 104 Final Exam (Hill) Questions and answers latest update Islair lalmixture lor lalpure lsubstance? l-llcorrect lllanswer --Mixture Mixture l-llcorrect lllanswer --alphysical lcombination lof ltwo lor lmore lsubstances lpresent linlvariable lamounts Composition lof lAir l-llcorrect lllanswer --78% lNitrogen, l21% lOxygen, l1% lArgon land lCO2 Air lParticles lunchanged lby lrespiration? l-llcorrect lllanswer --Nitrogen land lArgon Air lParticles lchanged lby lrespiration? l-llcorrect lllanswer --Oxygen land lCO2 Name l5lkinds lof lAir lPollutants l-llcorrect lllansw er--
Carbon lMonoxide, lOzone, lSulfur lDioxide, lNitrogen lDioxide, lParticulate lMatter l(dust, lsand) Ozone lMolecule l-llcorrect lllanswer --O3 Ozone lPollutant l-llcorrect lllanswer --Smelly lgas lthat lcan lcause lbreathing lproblems Air lQuality lIndex l-llcorrect lllanswer --Scale lthat lranks llevels lof lozone land lother lair lpollutants l(0-500) l500=high Air lQuality lindex lfor lHealthy -Moderate lAir l-llcorrect lllanswer --0-100 Atom l-llcorrect lllanswer --Smallest lparticle lof lan lelement Molecule l-llcorrect lllanswer --Algroup lof latoms lbonded ltogether Classification lof lpure lsubstances l-llcorrect lllanswer --Elements land lCompounds Compounds l-llcorrect lllanswer --
2lor lmore lelements lchemically lcombined; lCompletely lthe lsame lchemical lcombination lthroughout Elements l-llcorrect lllanswer --
Almolecu lelcomposed lof lone lkind lof latom; lcannot lbe lbroken linto lsimpler lunits lby lchemical lreactions Inventor lof lPeriodic lTable l-llcorrect lllanswer --Mendeleev What ldoes lan lelement's lgroup ltell lus? l-llcorrect lllanswer --
Group lislthe lvertical lcolumn. lTells lus lhow lmany lvalence lelectrons lare linlthe louter lshell; ltells lus lhow lreactive lt
he lelement lis Hydrocarbons l-llcorrect lllanswer --
Organic lmolecules lconsisting lof lonly lcarbon land lhydrogen. lHave ldifferent lprefixes lthan lother lmolecules luse
dlfor lfuels Pneumonic lfor lHydrocarbon lprefixed l-llcorrect lllanswer --Mother lEats lPeanut lButter Methane, lEthane, lPropane, lCyclopropane Combustion l-llcorrect lllanswer --Rapid lreaction lbetween loxygen land lfuel lthat lresults linlheat land llight PPH lto lPPM lconversion l-llcorrect lllanswer --Move ldecimal lfour lplaces lto lthe lright Types lof lMixtures l-llcorrect lllanswer --Heterogenous land lHomogenous Heterogenous lMixture l-llcorrect lllanswer --
Mixture lwith luneven ldistribution lof ldifferent lsubstances; lnot lthe lsame lthroughout Homogenous lMixture l-llcorrect lllanswer --Mixture linlwhich lthe lcomposition lisluniform lthroughout What ldo lperiods lmean lon lthe lPeriodic lTable? l-llcorrect lllanswer --How lmany lvalence lshells lthere lare Protons l-llcorrect lllanswer --Positivel ylcharged lparticles linside lnucleus Neutrons l-llcorrect lllanswer --Neutrally lcharged lparticles linside lnucleus Electrons l-llcorrect lllanswer --Negatively lcharged lparticles loutside lnucleus To lbe lelectronically lstable, lan latom lmust lhave lan lequal lnumber lof l___ land l___ l-llcorrect lllanswer --
Protons land lNeutrons What ldoes lthe lAtomic lnumber ltell lyou? l-llcorrect lllanswer --
Number lof lprotons linlthe lnucleus. lAlways lequal lto lthe lnumber lof lelectrons l(if lstable) Alkali lMetals lProperties l-llcorrect lllanswer --Highly lreactive lmetals Halogens lProperties l-llcorrect lllanswer --Reactive lnon-metals
Carbon lMonoxide, lOzone, lSulfur lDioxide, lNitrogen lDioxide, lParticulate lMatter l(dust, lsand) Ozone lMolecule l-llcorrect lllanswer --O3 Ozone lPollutant l-llcorrect lllanswer --Smelly lgas lthat lcan lcause lbreathing lproblems Air lQuality lIndex l-llcorrect lllanswer --Scale lthat lranks llevels lof lozone land lother lair lpollutants l(0-500) l500=high Air lQuality lindex lfor lHealthy -Moderate lAir l-llcorrect lllanswer --0-100 Atom l-llcorrect lllanswer --Smallest lparticle lof lan lelement Molecule l-llcorrect lllanswer --Algroup lof latoms lbonded ltogether Classification lof lpure lsubstances l-llcorrect lllanswer --Elements land lCompounds Compounds l-llcorrect lllanswer --
2lor lmore lelements lchemically lcombined; lCompletely lthe lsame lchemical lcombination lthroughout Elements l-llcorrect lllanswer --
Almolecu lelcomposed lof lone lkind lof latom; lcannot lbe lbroken linto lsimpler lunits lby lchemical lreactions Inventor lof lPeriodic lTable l-llcorrect lllanswer --Mendeleev What ldoes lan lelement's lgroup ltell lus? l-llcorrect lllanswer --
Group lislthe lvertical lcolumn. lTells lus lhow lmany lvalence lelectrons lare linlthe louter lshell; ltells lus lhow lreactive lt
he lelement lis Hydrocarbons l-llcorrect lllanswer --
Organic lmolecules lconsisting lof lonly lcarbon land lhydrogen. lHave ldifferent lprefixes lthan lother lmolecules luse
dlfor lfuels Pneumonic lfor lHydrocarbon lprefixed l-llcorrect lllanswer --Mother lEats lPeanut lButter Methane, lEthane, lPropane, lCyclopropane Combustion l-llcorrect lllanswer --Rapid lreaction lbetween loxygen land lfuel lthat lresults linlheat land llight PPH lto lPPM lconversion l-llcorrect lllanswer --Move ldecimal lfour lplaces lto lthe lright Types lof lMixtures l-llcorrect lllanswer --Heterogenous land lHomogenous Heterogenous lMixture l-llcorrect lllanswer --
Mixture lwith luneven ldistribution lof ldifferent lsubstances; lnot lthe lsame lthroughout Homogenous lMixture l-llcorrect lllanswer --Mixture linlwhich lthe lcomposition lisluniform lthroughout What ldo lperiods lmean lon lthe lPeriodic lTable? l-llcorrect lllanswer --How lmany lvalence lshells lthere lare Protons l-llcorrect lllanswer --Positivel ylcharged lparticles linside lnucleus Neutrons l-llcorrect lllanswer --Neutrally lcharged lparticles linside lnucleus Electrons l-llcorrect lllanswer --Negatively lcharged lparticles loutside lnucleus To lbe lelectronically lstable, lan latom lmust lhave lan lequal lnumber lof l___ land l___ l-llcorrect lllanswer --
Protons land lNeutrons What ldoes lthe lAtomic lnumber ltell lyou? l-llcorrect lllanswer --
Number lof lprotons linlthe lnucleus. lAlways lequal lto lthe lnumber lof lelectrons l(if lstable) Alkali lMetals lProperties l-llcorrect lllanswer --Highly lreactive lmetals Halogens lProperties l-llcorrect lllanswer --Reactive lnon-metals
