Atomic Theory Answers

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What did J.J. Thomson’s experiments with cathode ray tubes imply about the mass of an electron?

Electrons are many thousand times larger than the nucleus and negatively charged.

Electrons are many thousand times smaller than the nucleus and positively charged.

Electrons are many thousand times smaller than the nucleus and negatively charged.

Electrons are many thousand times larger than the nucleus and possess no charge.

What did Ernest Rutherford expect to happen when he aimed a beam of particles at a thin gold foil?

The particles would deflect at sharp angles or completely back toward the emitter.

The particles would pass through the foil undisturbed.

The particles would deflect at right angles after hitting the foil.

The particles would be deflected slightly after passing through the foil.

Bohr’s atomic model differed from Rutherford's because it explained that

electrons exist in specified energy levels surrounding the nucleus.

electrons are embedded within the rest of the atom like plum pudding.

an atom is an indivisible sphere.

electrons circle the nucleus.

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