The Historical Development of Atomic Theory

Question 1

Light shining on a strip of metal can dislodge electrons. Do you think this is more consistent with light being made up of waves or of particles?

Revolt · Accepted Answer

A: waves; B: particles; C: not sure

Question 2

Blue light waves have more energy than red light waves. Which of these situations most likely produces a photoelectric effect? You may assume that the same metal is used in each situation. Check all that apply.

Revolt · Accepted Answer

C: shining dim blue light on a strip of metal; D: shining bright blue light on a strip of metal

Question 3

A hydrogen electron is elevated from level 1 to level 2. Another electron is elevated from level 2 to level 4. The transition requiring the greatest energy change is .

Revolt · Accepted Answer

B: level 2 to level 4

Question 4

An electron’s position cannot be known precisely. Only its probability of being in a certain location can be known.

Revolt · Accepted Answer

C: electron cloud model

Question 5

Electrons orbit the nucleus in specific, defined paths. Each path has a specified energy.

Revolt · Accepted Answer

A: Bohr model

Question 6

Light is emitted by electrons when they drop from one energy level to a lower level. Which transition results in the emission of light with the greatest energy?

Revolt · Accepted Answer

C: level 4 to level 2

The Historical Development of Atomic Theory Answers

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