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Transcript of Version 2.0 Copyright © AQA and its licensors. All rights reserved. C3 3.1.2 The Modern periodic...
Version 2.0 Copyright © AQA and its licensors. All rights reserved.
C3 3.1.2 The Modern periodic Table
Using Exam pro items to support successful outcomes
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• Learners will be able to test their progress against learning outcomes using questions from past AQA GCSE examinations
• C3 3.1.2
Foundation Tier Q08W 3F 01
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• C3 3.1.2
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• C3 3.1.2
Mark scheme- Foundation
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• C3 3.1.2
Q Answer Extra Information Mark (a) (i) B 1(a) (ii) A 1(a) (iii) E 1
(a) (iv) D 1
(b) (i) Mendeleev and Newlands 1(b) (ii) atomic weight 1(b) (iii) Chemical reactions 1(b) (iv) electrons 1
Total 8
Higher Tier QB04H10
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• C3 3.1.2
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Copyright © AQA and its licensors. All rights reserved.
• C3 3.1.2
Mark scheme- Higher
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Copyright © AQA and its licensors. All rights reserved.
• C3 3.1.2
Q Answer Extra Information Mark(i) Any two sensible ideas such as:
( why) put in order of massHe left gaps or table not completeNo evidence of undiscovered elements or they believed all the elements had been discoveredHe changed the order of some elements or there were exceptions to the rule(s)He put metals and non- metals togetherHe did not explain his ideas clearly ( owtte)
Accept other equally valid orders eg alphabetical
Accept predictions could not be backed by evidenceAccept why change previous ideas
Accept he didn’t like his groupings/ groupsDo not accept modern explanations, eg proton number etc
2
(ii) (the properties of gallium) fitted the predictions (owtte) or predictions were correct or ( properties) would make it fit in the gap or ( properties) would make it fit in group 3
Do not accept gallium fitted his theoryAccept finding gallium proved there were new elements to be discovered
1
Total 3
• C3 3.1.2