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CandidateE surname OtherEnames
CentreE Number CandidateENumber
Pearson Edexcel E E
Level 3 GCE E E
TimeE 1EhourE45Eminutes
PaperEref
erence 9CH0/01
Chemistry
Advanced
PAPER 1: Advanced Inorganic and Physical Chemistry
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CandidatesEmustEhave:EScientificEcalculator TotalEMarks
DataE BookletERule
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Instructions
• Use black ink or black ball-point pen.
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in the boxes at the top of this page with your name,
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number and candidate number.
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•• Answer all questions.
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Answer the questions in the spaces provided
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– thereEmayEbeEmoreEspaceEthanEyouEneed.
• ShowEallEyourEworkingEinEcalculationsEandEincludeEunitsEwhereEappropriate.
Information
• The total mark for this paper is 90.
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• The marks for each question are shown in brackets
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– use this as a guide as to how much time to spend on each question.
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ucture your answer logically showing the points that you make are related or followon fr
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• AEPeriodicETableEisEprintedEonEtheEbackEcoverEofEthisEpaper.
Advice
•• Read each question carefully before you start to answer it.C
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TurnEover
P65463A
©2021E PearsonE EducationE Ltd.
1/1/1/1/1/
, AnswerEALLEquestions.
SomeEquestionsEmustEbeEansweredEwithEaEcrossEinEaEbox .
IfEyouEchangeEyourEmindEaboutE anEanswer,EputEaElineE throughEtheEboxEa
ndEthenEmarkEyourEnewEanswerEwithEaEcross .
1 ThisE isE aE questionE aboutE atoms,E isotopesE andE ions.
(a) WhichE ofE theE followingE pairsE ofE ionsE isE isoelectronic?
(1)
AE N3–EandECl–
B O2–EandES2–
E E
CE Na+EandEK+
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D Na+EandEMg2+
(b) WhichE isE aE correctE definitionE ofE relativeEisotopicE mass?
(1)
A theE weightedE meanE massE ofE anE atomE ofE anE elementE relativeE toE oneE twelfthE ofEth
eEmassEofEanEatomEofEtheEisotopeEcarbon-12
B theE massE ofE oneE atomE ofE anE isotopeE relativeE toE oneE twelfthE ofE theE massE ofE anEat
omEofEtheEisotopeEcarbon-12
C theE weightedE meanE massE ofE anE atomE ofE anE elementE relativeE toE 12EgE ofE theEis
otopeEcarbon-12
D theEmassEofEoneEatomEofEanEisotopeErelativeEtoEtheEmassEofE12EgEofEtheEiso
topeEcarbon-12
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,(c) TheEpercentageEcompositionEofEtheEtwoEbromineEisotopesEinEaEsampleEisEgivenEinEth
eEtable.
Isotope RelativeEisotopicEmass PercentageEabundance
bromine-79 78.918 50.52
bromine-81 80.916 49.48
CalculateE theE relativeE atomicE massE ofE bromineE inE thisEsample.EGiveE
yourEanswerEtoEtwoEdecimalEplaces.
(2)
(TotalEforEQuestionE1E=E4Emarks)
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TurnEover
, 2 BariumEionsEcanEbeEidentifiedEbyEtheirEflameEcolour.
(a) WhichEofEtheEfollowingEshouldEbeEusedEforEaEflameEtestEonEbariumEcarbonate?
A
(1)E
ironEwireEandEwater
B ironE wireE andE concentratedE hydrochloricE acid
C nichromeE wireE andE water
D nichromeE wireE andE concentratedE hydrochloricE acid
(b) WhatEcolourEdoEbariumEionsEgiveEinEaEflameEtest?
(1)
A green
B lilac
C red
D yellow
(c) AE flameE testE wasE carriedE outE onE aE mixtureE ofE bariumE chlorideE andE magnesiumE chloride.
HowEdoesEtheEpresenceEofEmagnesiumEionsEaffectEtheEappearanceEofEtheEflameEcolourEofEb
ariumEions?
(1)
A theE colourE isE moreE intense
B aEbrightEwhiteEcolourEcompletelyEmasksEtheEbariumEcolour
C thereEisEnoEchange
D theEbariumEcolourEisEdecreasedEbyEtheEwhiteEmagnesiumEflameEcolour
(TotalEforEQuestionE2E=E3Emarks)
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