June 2019 MS Paper 1 AQA Chemistry AS level.
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June 2019 MS - Paper 1 AQA Chemistry AS-level.
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---17mei 20232022/2023A+
- Fluoride ion has (two) fewer protons/lower nuclear charge 
Weaker attraction between nucleus and (outer) electrons 
Do not allow fluorine, but allow fluorine ion 
Any reference to different numbers of electrons in 
the ions loses M1 
Allow answers in terms of sodium ion but must be 
explicit. 
Ignore references to atomic radius 
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