A-LevelChemistryAtomic structureOct/Nov 2015Paper 1 Q311 Mark
The relative molecular mass, Mr, of a particular sample of chlorine is 72.0. Which properties of the atoms in this sample will be the same for all of the atoms? 1 radius 2 nucleon number 3 isotopic mass
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
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The correct answer is D. This question tests the candidate's understanding of atomic structure within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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