A-LevelChemistryAtomic structureOct/Nov 2018Paper 1 Q21 Mark
Beams of charged particles are deflected by an electrical field. The angle of deflection of a particle is proportional to its charge/mass ratio. In an experiment protons are deflected by an angle of +15°. In another experiment under identical conditions 2H¯ ions are deflected by an angle of Y°. What is the value of Y?
A-30.0
B-7.5
C+7.5
D+30.0
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The correct answer is B. This question tests the candidate's understanding of atomic structure within the Chemistrysyllabus. The examiner's mark scheme requires...
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