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AQA A Level Chemistry 7405/1 Paper 1 June 2024 Question Paper
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AQA A Level Chemistry 7405/1 Paper 1 June 2024
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AQA A Level Chemistry 7405/1 Paper 1 June2024 Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIIIII
CandidateIsignatureIIIIII
IIIdeclareIthisIisImyIownIwork.
A-level
CHEMISTRY
PaperI 1II InorganicIandI PhysicalIChemistry
MondayI10I JuneI 2024IIIIIIIIIIIIIIIIIIIII MorningIIIIIIIIIIIIIIIIIIIIIII TimeIallowed:
I2I hours For Examiner’s Use
Materials Question Mark
ForIthisIpaperIyouImustIhave: 1
•I theIPeriodicITable/DataIBooklet,IprovidedIasIanIinsertI(enclosed) 2
•I aIrulerIwithImillimetreImeasurements
3
•I aIscientificIcalculator,IwhichIyouIareIexpectedItoIuseIwhereIappropriate.
4
Instructions 5
•I UseIblackIinkIorIblackIball-pointIpen.
6
•I FillIinItheIboxesIatItheItopIofIthisIpage.
•I AnswerIallIquestions. 7
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.IIDoInotIwriteIoutside 8
ItheIboxIaroundIeachIpageIorIonIblankIpages. 9
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIof
IthisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). TOTAL
•I AllIworkingImustIbeIshown.
•I DoIallIroughIworkIinIthisIbook.IICrossIthroughIanyIworkIyouIdoInot
IwantItoIbeImarked.
Information
•I TheImarksIforIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI105.
* IB/M/Jun24/G4006/E9IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
, 2
DoInotIwriteI
outsideItheI
AnswerIallIquestionsIinItheIspacesIprovided. box
0 1 ThisIquestionIisIaboutIatomicIstructure.
. 1 InI1897IJJIThomsonIdiscoveredItheIelectron.IIHeIsuggestedIthatIatomsIwere
0 1 positivelyIchargedIspheresIwithIelectronsIembeddedIwithinIthem.
FigureI1IrepresentsIanIatomIusingIThomson’sImodel.
FigureI1
SuggestItheIidentityIofIthisIatom.
GiveItwoIdifferencesIbetweenItheImodernImodelIofIanIatomIandItheIThomsonImodelI
ofIanIatom.
[3Imarks]
IdentityIIIIIIIIII
I
DifferenceI1II
DifferenceI2
*02*
IB/M/Jun24/7405/1
, 3
DoInotIwriteI
outsideItheI
0III 1II.II 2IIIII TelluriumIhasIaIrelativeIatomicImassIofI127.6 box
IodineIhasIaIrelativeIatomicImassIofI126.9
DefineIrelativeIatomicImass.
SuggestIoneIpropertyIofItelluriumIthatIjustifiesIitsIpositionIbeforeIiodineIinIthe
ImodernIPeriodicITable.
[3Imarks]
DefinitionII
Justification
0
1II.II 3IIIII AIsampleIofItelluriumIisIanalysedIinIaItimeIofIflightI(TOF)ImassIspe
ctrometerIusingIelectronIimpactIionisation.
GiveIanIequation,IincludingIstateIsymbols,IforIthisIionisation.
[1Imark]
QuestionI1IcontinuesIonItheInextIpage
TurnIoverI►
*03*
IB/M/Jun24/7405/1
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