JJThomson Studied Cathode Ray Particles (Electrons)and Was Able to Measure

question 11

Multiple Choice

J.J.Thomson studied cathode ray particles (electrons) and was able to measure the mass/charge ratio.His results showed that

• A)the mass/charge ratio varied as the cathode material was changed.
• B)the charge was always a whole-number multiple of some minimum charge.
• C)matter included particles much smaller than the atom.
• D)atoms contained dense areas of positive charge.
• E)atoms are largely empty space.

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