Test Bank for Chemistry the Study of Matter and Its Changes 5th Edition Brady

8/18/2019 Test Bank for Chemistry the Study of Matter and Its Changes 5th Edition Brady

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Chapter 2 Elements, Compounds, and Chemical Reactions

Multiple Choice

Section 2.1

1. How many atoms are there in one formula unit of NiSO 4⋅

H2O!

a. " b. 14

# c. 2d. 2$e. %%

Section 2.12. &hich one of the statements below is true!

a. &hen two atoms combine' they do so in definite proportions by wei(ht b. &hen two different compounds combine to form an element' they do so in definite

proportions by wei(ht# c. &hen two different elements combine to form a compound' they do so in definite

proportions by wei(htd. &hen two molecules combine' they do so in definite proportions by wei(hte. &hen two different elements combine to form a mi)ture' they do so in definite

proportions by wei(ht

Section 2.1%. *he relati+e number of atoms of each element in a particular compound

a. is always l:l b. is the same as the density ratioc. is the same as the wei(ht ratio

# d. is definite and constante. cannot be determined e)perimentally

Section 2.24. , naturally occurrin( element consists of three isotopes. *he data on the isotopes:

isotope -1: 4 ." 2 u ' ".4 2isotope -2: 4$." 1 u ' 21.isotope -%: 4"."04 u ' $.$ 1

&hat is the a+era(e atomic wei(ht of this naturally occurrin( element!# a. 4 . u

b. 4 . "" uc. 4$. 2" ud. 4$. ue. 4$." 1 u

Section 2.2



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download full file at http://testbankcafe.com0. , naturally occurrin( element consists of three isotopes. *he data on the isotopes:

isotope -1: 14 ." 2 u ' 4. "2isotope -2: 14$." %$ u ' 2 .11isotope -%: 14"."0"2 u ' ". "1

&hat is the a+era(e atomic wei(ht of this naturally occurrin( element!

a. 4".204 u# b. 14 . u

c. 14$. % ud. 14$. ue. 14 .$ u


isotope -1: 1$ ."122 u .' 1 .$ 1isotope -2: 1" ." 4 u ' 12.42$isotope -%: 1"2.$"%$ u ' . 11


a. 4. %0u b. 1" .0 uc. 1" . ud. 1"2. $ u

# e. 1"2.11 u


isotope -1: 14 ."004 u ' 1 .0 %isotope -2: 10 ."4" u ' .$11isotope -%: 102."4 1 u ' 1$. 2


a. 0 .%%0u b. 10 . 2 uc. 10 . u

# d. 101. 1 ue. 101. $ u

Section 2.2$. , naturally occurrin( element consists of two isotopes. *he data on the isotopes:

isotope -1 $.020 u .22 isotope -2 ."42" u !!!!!!

Calculate the average atomic mass of this element

# a. ". 2$ u b. ". 4% u c. "."%4 u d. "." 2 u e. .141 u



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Section 2.2". *he atomic mass of naturally occurrin( iron' which is a mi)ture of isotopes' is listed as 00.$4 u .

*his means that the a+era(e mass for the indi+idual iron atoms is

a. 00.$4 times as (reat as that of a 12 atom b. 00.$4 times as (reat as that of a 1H atomc. 00.$4 /1. " times as (reat as that of a 1H atom

# d. 00.$4 /12. times as (reat as that of a 12 atome. 00.$4 /12. 11 times as (reat as that of a 12 atom

Section 2.21 . *he atomic mass of naturally occurrin( nickel' which is a mi)ture of isotopes' is listed as 0$. "%4 u .

*his means that the a+era(e mass for the indi+idual nickel atoms is

a. 0$. "%4 times as (reat as that of a 12 atom b. 0$. "%4 times as (reat as that of a 1H atomc. 0$. "%4/1. " times as (reat as that of a 1H atom

# d. 0$. "%4/12. times as (reat as that of a12

atome. 0$. "%4/12. 11 times as (reat as that of a 12 atom

Section 2.211. *he atomic mass of naturally occurrin( sil+er' which is a mi)ture of two isotopes' is listed as 1 .$ $

u . *his means that

a. all sil+er atoms found in nature ha+e a mass which is 1 .$ $/12. times as (reat as thatof a 12 atom

b. all sil+er atoms found in nature ha+e a mass which is 1 .$ $/1. " times as (reat as thatof a 1H atom

c. some sil+er atoms found in nature ha+e a mass which is 1 .$ $/12. times as (reat asthat of a 12 atom

d. some sil+er atoms found in nature ha+e a mass which is 1 .$ $/1. " times as (reat asthat of a 1H atom

# e. no sil+er atoms found in nature ha+e a mass which is 1 .$ $/12. times as (reat as thatof a 12 atom

Section 2.212. *he atomic mass of naturally occurrin( copper' which is a mi)ture of two isotopes' is listed as

%.04 u . *his means that

a. all copper atoms found in nature ha+e a mass which is %.04 /12. times as (reat as thatof a 12 atom

b. all copper atoms found in nature ha+e a mass which is %.04 /1. " times as (reat as thatof a 1H atom

c. some copper atoms found in nature ha+e a mass which is %.04 /12. times as (reat asthat of a 12 atom

d. some copper atoms found in nature ha+e a mass which is %.04 /1. " times as (reat asthat of a 1H atom

# e. no copper atoms found in nature ha+e a mass which is %.04 /12. times as (reat asthat

of a 12 atomdownload full file at http://testbankcafe.com


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Section 2.21%. *he atomic mass of naturally occurrin( (allium' which is a mi)ture of two isotopes' is listed as

". 2%u . *his means that

a. all (allium atoms found in nature ha+e a mass which is ". 2%/12. times as (reat asthat

of a 12 atom b. all (allium atoms found in nature ha+e a mass which is ". 2%/1. " times as (reat as

thatof a 1H atom

c. some (allium atoms found in nature ha+e a mass which is ". 2%/12. times as (reat asthat of a 12 atom

d. some (allium atoms found in nature ha+e a mass which is ". 2%/1. " times as (reat asthat of a 1H atom

# e. no (allium atoms found in nature ha+e a mass which is ". 2%/12. times as (reat asthat

of a 12 atom

Section 2.214. *he atomic mass of naturally occurrin( fluorine' which e)ists in nature as a sin(le isotope' is listed as

1$.""$4 u . *his means that

# a. all fluorine atoms found in nature ha+e a mass which is 1$.""$4/12. times as (reat asthat of a 12 atom

b. all fluorine atoms found in nature ha+e a mass which is 1$.""$4/1. " times as (reat asthat of a 1H atom

c. some fluorine atoms found in nature ha+e a mass which is 1$.""$4/12. times as (reatas

that of a 12 atomd. some fluorine atoms found in nature ha+e a mass which is 1$.""$4/1. " times as (reat

asthat of a 1H atom

e. no fluorine atom found in nature has a mass which is 1$.""$4/12. times as (reat as thatof a 12 atom

Section 2.210. *he atomic mass of naturally occurrin( cobalt' which e)ists in nature as a sin(le isotope' is listed as

0$."%%2u . *his means that

# a. all cobalt atoms found in nature ha+e a mass which is 0$."%%2/12. times as (reat asthat of a 12 atom

b. all cobalt atoms found in nature ha+e a mass which is 0$."%%2/1. " times as (reat asthat of a 1H atom

c. some cobalt atoms found in nature ha+e a mass which is 0$."%%2/12. times as (reat asthat of a 12 atom

d. some cobalt atoms found in nature ha+e a mass which is 0$."%%2/1. " times as (reat asthat of a 1H atom

e. no cobalt atom found in nature has a mass which is 0$."%%2 12. times as (reat as thatof a 12 atom



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download full file at http://testbankcafe.comSection 2.21 . &hich one of the followin( contributes to the char(e but does NO* contribute si(nificantly to the

mass of an atom!

# a. electrons b. nucleic. photonsd. neutronse. protons

Section 2.21 . 3ranium e)ists in nature in the form of se+eral isotopes the different isotopes ha+e different

a. atomic numbers b. char(esc. numbers of electrons

# d. numbers of neutronse. numbers of protons

Section 2.21$. &hich answer below best describes all atoms of a (i+en isotope of a particular element!

a. they possess the same mass' only b. they possess the same chemical properties and the same mass' but nothin( else in

commonc. they possess the same atomic number and the same mass' but ha+e nothin( else in

commond. they possess the same number of electrons' the same atomic number' the same

mass' but nothin( else in common# e. they possess the same number of electrons' the same atomic number' the same

mass' and the same chemical properties

Section 2.21". &hich answer below best describes all atoms of a particular element!

a. they possess the same number of electrons' the same atomic number' the samemass' but nothin( else in common

b. they possess the same mass and the same chemical properties' but nothin( else incommon

# c. they possess the same number of electrons' the same atomic number' the samechemical properties' but not necessarily the same mass

d. they possess the same chemical properties and the same mass' but nothin( else incommon

e. they possess the same atomic number and the same mass' but ha+e nothin( else incommon



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download full file at http://testbankcafe.comSection 2.22 . *he species shown below which has 24 neutrons is

a. r 0224 b. 5n0020c. 5(2412

# d. Sc4021e. 6

01

2%

Section 2.221. *he species shown below which has 24 protons is

# a. r 0224 b. 5n0020c. 5(2412

d. Sc40

21

e. 601

2%

Section 2.222. *he species' 6

01

2% ' has the same number of neutrons as

a. 602% b. Sc4021c. 5n0020

# d. r 0224e. o0"2

Section 2.22%. onsider the atoms of 5(2.12 and ,l

21% . 7oth of these species ha+e the same

a. number of electrons b. mass

# c. number of neutronsd. atomic mass number e. number of protons

Section 2.224. onsider the atoms of 0" o and o. 7oth of these atoms ha+e the same

a. number of electrons b. number of neutronsc. atomic mass number d. number of photons

# e. number of protonsSection 2.2



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download full file at http://testbankcafe.com20. onsider the atoms of 0 u and 08n. 7oth of these atoms ha+e the same

a. number of electrons b. massc. number of neutrons

# d. atomic mass number e. number of protons

Section 2.22 . ompare 5(2.12 and ,l

21% . 9n what respect do these species differ!

a. number of electrons and number of protons b. number of neutrons and number of protons

# c. atomic mass number and number of protonsd. number of neutrons and number of electronse. atomic mass number and number of electrons

Section 2.22 . , neutral iodine atom has an atomic mass number 1%1. &hich description below fits this atom!

a. %" protons' $ neutrons' %" electrons# b. 0% protons' $ neutrons' 0% electrons

c. 0% protons' $ neutrons' 04 electronsd. 0% protons' 1%1 neutrons' 0% electronse. 0% protons' 1%1 neutrons' 04 electrons

Section 2.22$. &hich description below fits the u.02" atom!

a. 2" protons' 0 neutrons' 2" electrons b. 2" protons' % neutrons' %4 electronsc. 2" protons' % neutrons' %1 electrons

# d. 2" protons' % neutrons' 2 electronse. %1 protons' %4 neutrons' 2" electrons

Section 2.22". &hich description below fits the d1124$ atom!

a. 4$ protons' 4 neutrons' 4$ electrons b. 4$ protons' 2 neutrons' 4$ electrons

# c. 4$ protons' 4 neutrons' 4 electronsd. 4$ protons' 2 neutrons' 4 electronse. 0 protons' 4 neutrons' 4$ electrons

Section 2.%% . ,ll of the followin( are alkali metals except



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download full file at http://testbankcafe.com# a. 5(

b. Nac. ;r d. se.


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download full file at http://testbankcafe.com b. Hec. Bid. 7ee. 7

Section 2.0% . &hich element e)ists as a diatomic molecule in the free state!

a. b. Dc. S

# d. 7r e. Ni

Section 2.0% . &hich element e)ists as a diatomic molecule in the free state!

a. 5(

b. 5nc. Sid. ,s

# e. l

Section 2.0%$. &hich element e)ists as a diatomic molecule in the free state!

a.# b. N

c. Ead. Eee. D

Section 2.0%". &hich element e)ists as a diatomic molecule in the free state!

a. He# b. ;

c. Ned. ,r e. ?e

Section 2.04 . &hich compound is correctly described as a hydrate!

a. aH 2# b. 5(SO 4F H2O



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download full file at http://testbankcafe.com# d. 0H0 N

e. %H

Section 2.4 . *he number of atoms in one formula unit of the substance O@NHA 2'is

a. 4 b. 0c.d.

# e. $

Section 2.4 . *he number of atoms in one formula unit of 2H4@ OOHA2 is

a. 1 b. 11

c. 12# d. 14e. 1

Section 2.4$. *he number of atoms in one formula unit of the substance sSO 4F0H2O is

a. 4 b. 1

# c. 21d. 2%e. %%

Section 2.4". *he number of atoms in one formula unit of the substance @NH 4A% o@ NA is

a. 21 b. 2

# c. 2$d. %1e. %%

Section 2.0 . How many atoms are there in one formula unit of @NH 4A4;e@ NA!

a. 10 b. 20c. 2$

# d. %%download full file at http://testbankcafe.com


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download full file at http://testbankcafe.come. %0

Section 2.01. &hen barium metal reacts with chlorine (as it forms an ionic compound' 7a l 2. 9n the course of the

reaction' each 7a atom

a. loses two protons# b. loses two electrons

c. (ains two protonsd. (ains two electronse. loses two neutrons

Section 2.02. &hen barium metal reacts with chlorine (as it forms an ionic compound' 7a l 2. 9n the course of the

reaction' each l atom

a. loses one proton b. loses one electron

c. (ains one proton# d. (ains one electrone. loses one neutron

Section 2.$0%. ,n alkaline earth element' which we will represent by the symbol ?' unites with a halo(en' which we

will represent by the symbol G. &hat would be the formula of the resultin( compound!

a. ?G# b. ?G 2

c. ?G 4d. ? 2Ge. ? 4G

Section 2.$04. ,luminum unites with a second element' which we will represent by the symbol =' to form a

compound whose formula is ,l= %. =lement = is most probably

a. an actinide element. b. an alkali metal.c. a chalco(en.

# d. a halo(en.e. a transition element.

Section 2.$00. *he formula for the compound formed between arsenic @,sA and hydro(en is

a. ,sH b. ,s 2Hc. ,sH 2d. ,s %H

# e. ,sH %download full file at http://testbankcafe.com


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Section 2.$0 . *he formula for the compound formed between antimony@SbA and hydro(en is

a. SbH b. SbH 2

# c. SbH %d. SbH 4e. SbH 0

Section 2.$0 . &hich formula is incorrect because it does not represent a known ionic compound!

a. 7a l 2 # b. ,l 2; %

c. Na 2Od.


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download full file at http://testbankcafe.comSection 2.$

1. *he formula for phosphate ion is

a. DO42

# b. DO4%

c. DO4d. D2O4e. D2O42

Section 2.$2. *he correct formula for carbonate ion is

a. 2H%O2 b. 2O42

c. O 2d. O %

# e. O %2

Section 2.$%. One of the compounds below has its formula written incorrectly. &hich one!

a. ,l@H 2DO4A% b. ,l@H O %A%c. a@H O%A2

# d. >HDO 4

Section 2.$4. One of the compounds below has its formula written incorrectly. &hich one!

# a. ,l@H 2 O %A% b. ,l@H 2DO4A%c. 7a@H O%A2d. >H 2DO4

Section 2."0. &hat is the name for the compound 97r %!

a. bromic iodide b. iodine bromate

# c. iodine tribromided. iodine tribrominee. monoiodine tribromite



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download full file at http://testbankcafe.comSection 2."

. &hat is the name for the compound S 2 l 2!

a. disulfur chlorate# b. disulfur dichloride

c. disulfur dichlorined. sulfur@9A chloridee. sulfur@99A chlorine@99A

Section 2.". &hat is the name for the compound H9@ g A!

a. hydriodic acid b. hydro(en monoiodide

# c. hydro(en iodided. iodic acide. monohydro(en monoiodide

Section 2."$. &hat is the name for the compound H N@ g A!

a. hydrocarbonitride b. hydrocyanic acidc. hydro(en carbonitrided. hydro(en cyanate

# e. hydro(en cyanide

Section 2."". , typo(raphical error on an e)am produced the formula' D 4Se ' in one of the Iuestions. How would

you name this compound!

a. tetraphosphorus he)aselenide# b. tetraphosphorus heptaselenide

c. phosphorus heptaselenited. phosphorus@96A selenidee. phosphorus@699A selenide

Section 2.". *he name for the compound ,l@SO 4A% is

# a. there is no compound with that formula it must be incorrectly written b. aluminum sulfatec. aluminum trisulfated. aluminum@999A sulfatee. aluminum sulfite

Section 2."1. &hich is the name for the compound' 6@NO %A%!



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a. +anadium trinitrate b. +anadium nitritec. +anadium@999A nitrited. +anadium nitrate

# e. +anadium@999A nitrate

Section 2."2. &hich is the name for the compound' 7a@NO %A2!

a. barium dinitrate b. barium dinitrite

# c. barium nitrated. barium@99A nitritee. barium@99A nitrate

Section 2."%. &hich compound is correctly described as a hydride!

a. o l 2F H2O b. H 2H%O2c. NaOH

# d. aH 2e. H12O

Section 2."4. &hat is the name for the compound 6 2O0! @


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a. copper@9A bromide@99A# b. copper@99A bromide

c. copper@99A bromited. copper dibromidee. cuprous bromide

Section 2.". &hat is the correct name for the compound Na 2O!

a. disodium o)ide# b. sodium o)ide

c. sodium@9A o)ided. sodium pero)idee. sodium supero)ide

Section 2."$. &hich is a correct name for the compound ;e7r %!

a. ferrous bromide# b. iron@999A bromide

c. iron bromited. iron tribromidee. iron tribromine

;acets of hemistry 2.1 and Section 2."". &hich is the formula for the compound ferrous sulfate!

# a. ;eSO 4 b. ;e@SO4A2c. ;e 2SO 4d. ;e 2@SO4A%e. ;e %@SO4A2

Section 2."$ . &hich is a correct name for the compound H( 2 l 2!

a. dimercury dichloride b. mercuric chloride

# c. mercury@9A chlorided. mercury@99A dichloridee. there is no correct name' the formula should be H( l

;acets of hemistry 2.% and Section 2."$1. &hich is a correct formula for mercury@9A phosphate!

a. H(DO %download full file at http://testbankcafe.com


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download full file at http://testbankcafe.com b. H(DO 4c. H( %DO4d. H( 2DO%

# e. @H(2A%@DO4A2

;acets of hemistry 2.% and Section 2."$2. &hich is a correct name for the compound o; %!

a. cobalt fluoride b. cobalt trifluoride

# c. cobaltic fluorided. cobaltic trifluoridee. cobaltous fluoride

Section 2."$%. , correct name for Sn; 4 is

a. stannic tetrafluoride

b. stannous fluoridec. stannous@96A fluoride# d. tin@96A fluoride

e. tin tetrafluoride

Section 2."$4. *he correct formula for stannous nitrate is

a. Sn@NO2A2# b. Sn@NO%A2

c. Sn@NO%A%d. Sn@NO%A4e. Sn 2 NO %

Section 2."$0. &hat is the formula for ma(nesic chlorate!

a. 5( lO % b. 5(@ lO %A2c. 5( 2 lO %d. 5(O@ lO %A2

# e. *here is no such compound.

Section 2."$ . &hat is the name for Na 2 r 2O !

a. sodium chromium@699A ate# b. sodium dichromate



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download full file at http://testbankcafe.comc. sodium dichromium heptao)ided. sodium heptao)ochromatee. sodium perchromate

Section 2."$ . *he compound Na 2S2O% is used e)tensi+ely in photo(raphic film processin(. &hat is its chemical

name!

a. sodium bisulfite b. sodium disulfur trio)idec. sodium o)osulfate@96A

# d. sodium thiosulfatee. sodium trio)osulfite

Section 2."$$. 9f the NtO 42 ion is called nortonate' what is the correct name for the compound > 2 NtO 4!

a. dipotassium nortonium tetrao)ide

b. dipotassium nortonate# c. potassium nortonated. potassium@9A nortonatee. potassium@99A nortonate

Section 2."$". &hat is the name for u 2SO %!

# a. copper@9A sulfite b. copper@99A sulfitec. copper thiosulfated. cuprous sulfatee. dicopper sulfur trio)ide

Section 2."" . &hat is the name for the 2H%O2 ion!

# a. acetate ion b. hydrocarbonate ionc. monocarbonate iond. o)alate ione. sucrose ion

Section 2.""1. &hat is a correct name for the H rO 4 ion!

# a. hydro(en chromate ion b. dichromate ionc. hydro(en chromium tetrao)ide ion



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download full file at http://testbankcafe.com" . &hat is the char(e on all the ions of non metals of Eroup 699,! CCCCCC @ 1A

Section 2.0"$. How many atoms are in one formula unit of KNH 4L%K;e@ NAL! CCCCCC @2$A

Section 2.0"". How many atoms are in one formula unit of NH 4,l@SO 4A2F24H2O! CCCCCC @$$A

Section 2.01 .How many atoms are in one formula unit of ,l 2@SO4A%F1$H2O! CCCCCC @ 1A

Section 2.01 1.&hat is the name for the compound H 4! CCCCCC @methaneA

Section 2.01 2.&hat is the name for the compound NH %! CCCCCC @ammoniaA

Section 2.$

1 %.&hat is the formula for the sulfide ion! CCCCCC @S2

A

Section 2.$1 4.*he correct formula for lithium phosphate is CCCCCC @Bi %DO4A

Section 2.$1 0.*he formula for barium sulfite is CCCCCC @7aSO %A

Section 2.$1 .*he formula for barium chlorite is CCCCCC @7a@ lO2A2A

Section 2."1 .*he name for ,s 4S1 is CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC @tetraarsenic decasulfideA

Section 2."1 $.&hat is the formula for chromium@999A dihydro(en phosphate! CCCCCC @ r@H2DO4A%A

Section 2."1 ".&hat is the formula for calcium bicarbonate! CCCCCC @ a@H O %A2A

True and False

Section 2."11 ., name for the compound D 4Se1 is phosphorus@96A selenium. CCC @;A

Section 2."111. *he compound N 2O4' is named nitrate tetrao)ide. CCC @;A

Section 2."112., name for r7r 2' is chromic bromide. CCC @;A

Section 2."download full file at http://testbankcafe.com


22/24

download full file at http://testbankcafe.com11%.*he name for 2 r 2O is potassium dichromium heptao)ide. CCC @;A

Critical Thinking Questions

Section 2.$11".*wo elements' Gr and =' combine to form an ionic compound whose formula is Gr= 2. Gr also com

bines with element 8 to form an ionic compound' Gr %8 2. 7ased on this information' what is a reasonable +alue for the char(e on =! @,ssume that Gr has the same char(e in both compounds.A

a. 1J# b. 1

c. 2Jd. 2e. %

Section 2.$12 .*wo elements' Gr and 8' combine to form an ionic compound containin( simple ions whose formula

is Gr 28 %. alcium also combines with element 8 to form an ionic compound containin( simple ionswhose formula is a8. Gr combines with a third element' =' to form an ionic compound containin(simple ions whose formula is Gr= %. 7ased on this information' what is a reasonable formula for thecompound formed when ma(nesium combines with element = to form a simple ionic compound!@,ssume that Gr has the same char(e in both compounds.A

a. 5(= b. 5( 2=

# c. 5(= 2d. 5( 2= % e. 5( %= 2

Section 2."121.6itellium phosphate has the formula' 6i %@DO4A2' while sodium nortonate has the formula' Na 2 NtO 4.

&hich of the followin( would be the e)pected formula for +itellium nortonate! @9ma(inary elementsare used in this Iuestion.A



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# a. 6iNtO 4 b. 6i 2 NtO 4c. 6i@NtO4A2d. 6i 2@NtO4A%e. 6i %@NtO4A2

Section 2."122.=n(rium sulfate has the formula' =n 2@SO4A%' while sodium nortonite has the formula Na 2 NtO %. 7ased

on these names and formulas' what would you e)pect for the formula of en(rium nortonate!@9ma(inary elements are used in this Iuestion.A

a. =nNtO 4 b. =n 2 NtO 4c. =n@NtO4A2

# d. =n 2@NtO4A%e. =n %@NtO4A2

Short Answer

12%. *he reaction of nitro(en and hydro(en to (i+e ammonia is called the Haber Drocess. *he balancedchemical eIuation is (i+en below:

N 2@(A J %H2@(A 2NH %@(A


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download full file at http://testbankcafe.com12 . &hat are the characteristics of molecular compounds! &hat are they composed of!

@5olecular compounds tend to be hard and poor conductors of electricity. *hey are composed of nonmetals.A

12$. raw a (eneral outline of the periodic table. Babel' rou(hly' where the metals' nonmetals' andmetalloids are found.

@See the periodic table in your te)t.A

12". *he maQor isotopes of tun(sten are 1$2& @2 .%2 A' 1$%& @14.%1 A' 1$4& @% . A' and1$ &@2$. 2 A. &hat is the atomic wei(ht of &!

@@ .2 %2 ) 1$2A J @ .14%1 ) 1$%A J @ .% ) 1$4A J @ .2$ 2 ) 1$ A 1$4 (/mol.A

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Test Bank for Chemistry the Study of Matter and Its Changes 5th Edition Brady