Search results with tag "Level chemistry mark scheme"

A-level Chemistry Mark Scheme January 2010

Chemistry - AQA GCE Mark Scheme 2010 January series 3 Question Part Sub Part Marking Guidance Mark Comments 1 (a) 2s22p63s1 1 1s2 can be rewritten Allow 2s22p x 22p y 22p z 23s1 Allow subscripts and capitals

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