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Atomic Theory Multiple Choice Test

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Atomic Theory

Review of Dalton's theory, law of conservation of mass, and cathode ray tube experiment.

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According to Dalton's atomic theory, atoms

Dalton's atomic theory agrees with modern atomic theory except for the statement that

Which of the following statements is true according to modern atomic theory?

Which statement below accurately describes the contributions of Democritus?

Which of the following is NOT part of Dalton's Atomic Theory?

If 4.0 g of element A combine with 10. g of element B, then 12 g of element A combine with ____ g of element B.

In a glass tube attached to a voltage source, electrical current passes from the negative electrode, called the ____, to the other electrode.

When an electrical current passed through a glass tube, it caused the surface of the tube directly across from the cathode to glow. Scientists concluded that

The rays produced in a cathode tube are

Experiments with cathode rays led to the discovery of the

After measuring the ratio of the charge of a cathode-ray particle to its mass, Millikan concluded that the particles

Because any element used in the cathode produced electrons, scientists concluded that

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