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Pearson Edexcel GCSE In Chemistry (1CH0) Paper 2F MS 2023
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Mark Scheme (Results)Pearson Edexcel GCSE In Chemistry
(1CH0) Paper 2F MS 2023
Summer 2023
Pearson Edexcel GCSE
In Chemistry (1CH0)
Paper 2F
,Edexcel and BTEC Qualifications
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Summer 2023
Publications Code 1CH0_2F_2306_MS
All the material in this publication is copyright
© Pearson Education Ltd 2023
,General Marking Guidance
All candidates must receive the same treatment. Examiners must mark the
first candidate in exactly the same way as they mark the last.
Mark schemes should be applied positively. Candidates must be rewarded
for what they have shown they can do rather than penalised for omissions.
Examiners should mark according to the mark scheme not according to
their perception of where the grade boundaries may lie.
There is no ceiling on achievement. All marks on the mark scheme should
be used appropriately.
All the marks on the mark scheme are designed to be awarded. Examiners
should always award full marks if deserved, i.e. if the answer matches the
mark scheme. Examiners should also be prepared to award zero marks if
the candidate’s response is not worthy of credit according to the mark
scheme.
Where some judgement is required, mark schemes will provide the
principles by which marks will be awarded and exemplification may be
limited.
When examiners are in doubt regarding the application of the mark scheme
to a candidate’s response, the team leader must be consulted.
Crossed out work should be marked UNLESS the candidate has replaced it
with an alternative response.
, Mark schemes have been developed so that the rubrics of each mark scheme
reflects the characteristics of the skills within the AO being targeted and the
requirements of the command word. So for example the command word ‘Explain’
requires an identification of a point and then reasoning/justification of the point.
Explain questions can be asked across all AOs. The distinction comes whether the
identification is via a judgment made to reach a conclusion, or, making a point
through application of knowledge to reason/justify the point made through
application of understanding. It is the combination and linkage of the marking
points that is needed to gain full marks.
When marking questions with a ‘describe’ or ‘explain’ command word, the detailed
marking guidance below should be consulted to ensure consistency of marking.
Assessment Command Word
Objective
Strand Element Describe Explain
AO1* An answer that combines the marking An explanation that links identification of a
points to provide a logical description point with reasoning/justification(s) as
required
AO2 An answer that combines the marking An explanation that links identification of a
points to provide a logical description, point (by applying knowledge) with
showing application of knowledge and reasoning/justification (application of
understanding understanding)
AO3 1a and An answer that combines points of
1b interpretation/evaluation to provide a
logical description
AO3 2a and An explanation that combines identification
2b via a judgment to reach a conclusion via
justification/reasoning
AO3 3a An answer that combines the marking
points to provide a logical description of the
plan/method/experiment
AO3 3b An explanation that combines identifying an
improvement of the experimental
procedure with a linked
justification/reasoning
*there will be situations where an AO1 question will include elements of recall of knowledge directly from the
specification (up to a maximum of 15%). These will be identified by an asterisk in the mark scheme.
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