CHM 1020 - Final Exam Study Guide With
Questions And Correct Answers 2025
The ,quantity ,0.0000064 ,g ,expressed ,in ,scientific ,notation ,is ,___________. ,-
,CORRECT ,ANSWER-6.4 ,x ,10^-6
A ,substance ,that ,can ,be ,broken ,down ,into ,2 ,or ,more ,simpler ,substances ,only ,by
,chemical ,methods ,is ,called ,a(n) ,- ,CORRECT ,ANSWER-compound
Which ,is ,not ,a ,mixture? ,- ,CORRECT ,ANSWER-sodium ,chloride
which ,substance ,is ,an ,element? ,- ,CORRECT ,ANSWER-N2
The ,majority ,of ,new ,smartphones ,being ,released ,have ,displays ,that ,are ,at ,least ,5.00
,inches ,in ,size. ,What ,is ,this ,size ,in ,centimeters? ,(There ,are ,2.54 ,cm ,in ,one ,inch.) ,-
,CORRECT ,ANSWER-12.7 ,cm
which ,one ,of ,the ,following ,is ,a ,subatomic ,particle ,located ,in ,the ,center ,of ,the ,atom
,and ,has ,a ,positive ,charge? ,- ,CORRECT ,ANSWER-Proton
What ,are ,the ,three ,pillars ,of ,sustainability? ,- ,CORRECT ,ANSWER-Environmental,
,social, ,economic
,Oxidation ,and ,reduction ,of ,atoms ,involves ,a ,change ,in ,the ,number ,of ,__________ ,in
,the ,atom. ,- ,CORRECT ,ANSWER-Electrons
One ,of ,the ,lightest ,smartphones ,on ,the ,market ,today ,weighs ,113 ,g. ,To ,protect ,your
,phone, ,you ,may ,want ,to ,use ,a ,screen ,protector, ,which ,weighs ,27.2 ,g, ,and ,a ,heavy
,duty ,case ,which ,weighs ,114 ,g. ,What ,is ,the ,total ,weight ,of ,the ,phone, ,screen
,protector, ,and ,case? ,- ,CORRECT ,ANSWER-254 ,g
2.3 ,x ,10^6 ,meters ,is ,the ,same ,_________________ ,meters. ,- ,CORRECT ,ANSWER-
2,300,000
How ,many ,protons ,and ,neutrons, ,respectively, ,are ,in ,an ,atom ,of ,chlorine ,(mass
,#35)? ,- ,CORRECT ,ANSWER-Protons: ,17
Neutrons: ,18
For ,the ,Ionic ,compound ,NaCl, ,what ,is ,the ,charge ,on ,the ,sodium ,ion? ,- ,CORRECT
,ANSWER-+ ,1
Which ,of ,the ,following ,is ,a ,diatomic ,molecule: ,Hydrogen ,(H2), ,Aluminum ,(Al),
,Sulfur(S8) ,or ,Carbon ,(C)? ,- ,CORRECT ,ANSWER-Hydrogen ,(H2)
What ,is ,the ,correct ,answer ,to ,the ,following ,problem ,(w. ,the ,correct ,# ,of ,significant
,figures)(3.2 ,/ ,0.123) ,+ ,45.7 ,= ,? ,- ,CORRECT ,ANSWER-72
One ,of ,the ,3 ,pillars ,of ,sustainability, ,resulting ,in ,a ,better ,quality ,of ,life ,for ,all ,-
,CORRECT ,ANSWER-Social
The ,Atomic ,# ,of ,fluorine ,- ,CORRECT ,ANSWER-9
Anything ,that ,occupies ,space ,and ,has ,mass ,- ,CORRECT ,ANSWER-matter
Tea ,would ,be ,an ,example ,of ,a ,- ,CORRECT ,ANSWER-Homogeneous ,Mixture
A ,molecule ,composed ,of ,a ,metal ,atom ,and ,a ,nonmetal ,atom ,- ,CORRECT ,ANSWER-
Ionic
, The ,quantity ,8.7 ,x10^5 ,g ,expressed ,in ,a ,standard ,decimal ,notation. ,- ,CORRECT
,ANSWER-870,000 ,g
On ,a ,Periodic ,Table, ,the ,column ,of ,elements ,with ,similar ,properties ,are ,- ,CORRECT
,ANSWER-groups
The ,most ,numerous ,of ,the ,elements ,are ,the ,- ,CORRECT ,ANSWER-metals
Which ,is ,not ,a ,pure ,substance? ,- ,CORRECT ,ANSWER-air
Which ,one ,of ,the ,following ,is ,a ,subatomic ,particle ,located ,in ,the ,center ,of ,the ,atom
,and ,has ,no ,charge? ,- ,CORRECT ,ANSWER-neutrons
A ,computer ,chip ,was ,weighed ,and ,found ,to ,have ,a ,mass ,of ,23.3040 ,g. ,How ,many
,significant ,figures ,does ,this ,number ,have? ,- ,CORRECT ,ANSWER-6
A ,substance ,that ,can ,be ,broken ,down ,into ,two ,or ,more ,simpler ,substances ,only ,by
,chemical ,method ,is ,called ,a ,- ,CORRECT ,ANSWER-compound
Which ,differentiates ,a ,compound ,from ,a ,mixture ,of ,two ,or ,more ,elements? ,-
,CORRECT ,ANSWER-A ,compound ,does ,not ,exhibit ,the ,individual ,properties ,of ,the
,elements ,of ,which ,it ,is ,composed
How ,many ,protons, ,neutrons, ,and ,electrons ,are ,there ,in ,a ,neutral ,atom ,of ,19/9 ,F? ,-
,CORRECT ,ANSWER-9, ,10, ,9
What ,distinguishes ,the ,atoms ,of ,one ,element ,from ,another? ,- ,CORRECT ,ANSWER-
The ,number ,of ,protons
Which ,corresponds ,to ,the ,composition ,of ,the ,ion ,typically ,formed ,by ,magnesium
,(Mg)? ,- ,CORRECT ,ANSWER-12 ,protons, ,10 ,electrons, ,2+ ,charge
How ,many ,bromide ,ion ,can ,combined ,with ,one ,ion ,of ,aluminum ,to ,form ,an ,ionic
,compound? ,- ,CORRECT ,ANSWER-2
Questions And Correct Answers 2025
The ,quantity ,0.0000064 ,g ,expressed ,in ,scientific ,notation ,is ,___________. ,-
,CORRECT ,ANSWER-6.4 ,x ,10^-6
A ,substance ,that ,can ,be ,broken ,down ,into ,2 ,or ,more ,simpler ,substances ,only ,by
,chemical ,methods ,is ,called ,a(n) ,- ,CORRECT ,ANSWER-compound
Which ,is ,not ,a ,mixture? ,- ,CORRECT ,ANSWER-sodium ,chloride
which ,substance ,is ,an ,element? ,- ,CORRECT ,ANSWER-N2
The ,majority ,of ,new ,smartphones ,being ,released ,have ,displays ,that ,are ,at ,least ,5.00
,inches ,in ,size. ,What ,is ,this ,size ,in ,centimeters? ,(There ,are ,2.54 ,cm ,in ,one ,inch.) ,-
,CORRECT ,ANSWER-12.7 ,cm
which ,one ,of ,the ,following ,is ,a ,subatomic ,particle ,located ,in ,the ,center ,of ,the ,atom
,and ,has ,a ,positive ,charge? ,- ,CORRECT ,ANSWER-Proton
What ,are ,the ,three ,pillars ,of ,sustainability? ,- ,CORRECT ,ANSWER-Environmental,
,social, ,economic
,Oxidation ,and ,reduction ,of ,atoms ,involves ,a ,change ,in ,the ,number ,of ,__________ ,in
,the ,atom. ,- ,CORRECT ,ANSWER-Electrons
One ,of ,the ,lightest ,smartphones ,on ,the ,market ,today ,weighs ,113 ,g. ,To ,protect ,your
,phone, ,you ,may ,want ,to ,use ,a ,screen ,protector, ,which ,weighs ,27.2 ,g, ,and ,a ,heavy
,duty ,case ,which ,weighs ,114 ,g. ,What ,is ,the ,total ,weight ,of ,the ,phone, ,screen
,protector, ,and ,case? ,- ,CORRECT ,ANSWER-254 ,g
2.3 ,x ,10^6 ,meters ,is ,the ,same ,_________________ ,meters. ,- ,CORRECT ,ANSWER-
2,300,000
How ,many ,protons ,and ,neutrons, ,respectively, ,are ,in ,an ,atom ,of ,chlorine ,(mass
,#35)? ,- ,CORRECT ,ANSWER-Protons: ,17
Neutrons: ,18
For ,the ,Ionic ,compound ,NaCl, ,what ,is ,the ,charge ,on ,the ,sodium ,ion? ,- ,CORRECT
,ANSWER-+ ,1
Which ,of ,the ,following ,is ,a ,diatomic ,molecule: ,Hydrogen ,(H2), ,Aluminum ,(Al),
,Sulfur(S8) ,or ,Carbon ,(C)? ,- ,CORRECT ,ANSWER-Hydrogen ,(H2)
What ,is ,the ,correct ,answer ,to ,the ,following ,problem ,(w. ,the ,correct ,# ,of ,significant
,figures)(3.2 ,/ ,0.123) ,+ ,45.7 ,= ,? ,- ,CORRECT ,ANSWER-72
One ,of ,the ,3 ,pillars ,of ,sustainability, ,resulting ,in ,a ,better ,quality ,of ,life ,for ,all ,-
,CORRECT ,ANSWER-Social
The ,Atomic ,# ,of ,fluorine ,- ,CORRECT ,ANSWER-9
Anything ,that ,occupies ,space ,and ,has ,mass ,- ,CORRECT ,ANSWER-matter
Tea ,would ,be ,an ,example ,of ,a ,- ,CORRECT ,ANSWER-Homogeneous ,Mixture
A ,molecule ,composed ,of ,a ,metal ,atom ,and ,a ,nonmetal ,atom ,- ,CORRECT ,ANSWER-
Ionic
, The ,quantity ,8.7 ,x10^5 ,g ,expressed ,in ,a ,standard ,decimal ,notation. ,- ,CORRECT
,ANSWER-870,000 ,g
On ,a ,Periodic ,Table, ,the ,column ,of ,elements ,with ,similar ,properties ,are ,- ,CORRECT
,ANSWER-groups
The ,most ,numerous ,of ,the ,elements ,are ,the ,- ,CORRECT ,ANSWER-metals
Which ,is ,not ,a ,pure ,substance? ,- ,CORRECT ,ANSWER-air
Which ,one ,of ,the ,following ,is ,a ,subatomic ,particle ,located ,in ,the ,center ,of ,the ,atom
,and ,has ,no ,charge? ,- ,CORRECT ,ANSWER-neutrons
A ,computer ,chip ,was ,weighed ,and ,found ,to ,have ,a ,mass ,of ,23.3040 ,g. ,How ,many
,significant ,figures ,does ,this ,number ,have? ,- ,CORRECT ,ANSWER-6
A ,substance ,that ,can ,be ,broken ,down ,into ,two ,or ,more ,simpler ,substances ,only ,by
,chemical ,method ,is ,called ,a ,- ,CORRECT ,ANSWER-compound
Which ,differentiates ,a ,compound ,from ,a ,mixture ,of ,two ,or ,more ,elements? ,-
,CORRECT ,ANSWER-A ,compound ,does ,not ,exhibit ,the ,individual ,properties ,of ,the
,elements ,of ,which ,it ,is ,composed
How ,many ,protons, ,neutrons, ,and ,electrons ,are ,there ,in ,a ,neutral ,atom ,of ,19/9 ,F? ,-
,CORRECT ,ANSWER-9, ,10, ,9
What ,distinguishes ,the ,atoms ,of ,one ,element ,from ,another? ,- ,CORRECT ,ANSWER-
The ,number ,of ,protons
Which ,corresponds ,to ,the ,composition ,of ,the ,ion ,typically ,formed ,by ,magnesium
,(Mg)? ,- ,CORRECT ,ANSWER-12 ,protons, ,10 ,electrons, ,2+ ,charge
How ,many ,bromide ,ion ,can ,combined ,with ,one ,ion ,of ,aluminum ,to ,form ,an ,ionic
,compound? ,- ,CORRECT ,ANSWER-2
