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Thomson measured which ratio for the electron?
ACharge to mass
BCharge to motion
CChange to mass
DCharge to matter
Answer & Solution
Correct answer: A. Charge to mass
1. He measured how far electrons were deflected by fields.
2. Thomson was able to determine the value of the charge to mass ratio.
3. So the correct answer is charge to mass.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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