Key Discoveries and Models of Atomic Structure for Chemistry Students

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Last updated 2:56 AM on 9/1/26
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11 Terms

1
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Who proposed the concept of the atom?

Democritus

2
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Who discovered the proton?

Rutherford

3
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Who discovered the neutron?

Chadwick

4
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Who discovered the electron?

Thomson

5
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<p>What did the gold foil experiment show?</p>

What did the gold foil experiment show?

The atom is mostly empty and has a nucleus.

6
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<p>What did the oil drop experiment find about the electron?</p>

What did the oil drop experiment find about the electron?

The electron has a negative charge.

7
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<p>What is Dalton's model of the atom called?</p>

What is Dalton's model of the atom called?

Billiard Ball Model

8
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<p>What is Thomson's model of the atom called?</p>

What is Thomson's model of the atom called?

Plum Pudding Model

9
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<p>What is Rutherford's model of the atom called?</p>

What is Rutherford's model of the atom called?

Planetary Model

10
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<p>What is Bohr's model of the atom called?</p>

What is Bohr's model of the atom called?

Bohr Model

11
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<p>What is the model that describes the electron cloud?</p>

What is the model that describes the electron cloud?

Electron Cloud Model