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AQA GCSE CHEMISTRY - HISTORY OF THE ATOM QUESTIONS WITH CORRECT ANSWERS 2025

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AQA GCSE CHEMISTRY - HISTORY OF THE ATOM QUESTIONS WITH CORRECT ANSWERS 2025

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Institution
AQA GCSE CHEMISTRY
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AQA GCSE CHEMISTRY

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Uploaded on
February 24, 2025
Number of pages
2
Written in
2024/2025
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Questions & answers

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  • aqa gcse chemistry history of the atom questions

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AQA GCSE CHEMISTRY - HISTORY OF THE ATOM
QUESTIONS WITH CORRECT ANSWERS 2025
AmountBofBprotonsB-BCORRECTBANSWERB-AtomicBnumber



AmountBofBelectronsB-BCORRECTBANSWERB-Protons



AmountBofBneutronsB-BCORRECTBANSWERB-AtomicBmassBnumberB-BProtons



JohnBDaltonBdescribedBatomsBasBwhat?BC19thB-BCORRECTBANSWERB-SolidBSpheres



InB1897BJJBThompsonBfoundBoutBwhatBaboutBatomsBthatmadeBhimBchangeBtheBatomicBmodelBtoBtheBPlumB
PuddingB-BCORRECTBANSWERB-
HisBmeasurementsBofBchargeBandBmassBleadBhimBtoBtheBconclusionBthatBsmallerBnegativelyBchargeBparticle
sBhadBtoBbeBthereB(electrons)



WhyBwasBtheB"PlumBPudding"BmodelBgivenBitsBname?B-BCORRECTBANSWERB-
BecauseBtheBmodelBshowedBaBballBofBlositiveBchargeBwithBelectronsBstuckBinBit



WhyBdidBRutherford'sBscatteringBexperimentsBinB1909BdisproveBtheBPlumBPuddingBmodel?B-
BCORRECTBANSWERB-

BecauseBtheyBexpectedBtheBpositiveBalphaBparticlesBtoBpassBthroughBandBsomeBslightlyBdelfectedBbutBsom
eBpassedBthroughBandBsomeBdeflectedBstraightBbackBmoreBthanBtheyBexpected.BDisprovingBtheBPlumBPudd
ing



HowBdidBRutherford'sBscatteringBexperimentBinB1909BproveBtheBnucleus.B-BCORRECTBANSWERB-
SomeBalphaBparticlesBbouncedBstraightBbackBfromBtheBexperimentBprovingBaBbodyBofBpositiveBbodyBinBtheB
centreBofBtheBatomB-BtheBnucleus.



HowBdidBBohrBimproveBRutherfordsBatomicBmodel?B-BCORRECTBANSWERB-
HeBshowedBthatBtheBatomBhadBfixedBshellBasBotherBwiseBtheBnegativeBelectronsBwouldBbeBattractedBtoBtheB
positiveBprotonsBcollapsingBtheBatom.
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