J J Thomson Studied Cathode Ray Particles (Electrons) and Was Able

question 17

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 with 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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Definitions:

Frontotemporal NCD

A type of neurocognitive disorder primarily affecting the frontal and temporal lobes of the brain, characterized by significant changes in behavior, personality, and/or language.

Deterioration

The process of becoming progressively worse.

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Actions or reactions of an individual in response to external or internal stimuli, within a social context.

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Older individuals, often regarded with respect or veneration, who may hold positions of authority or influence within a community or family.