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Gold Foil Experiment: The Unexpected Result

The Gold Foil Experiment

How it worked

The particle would only reflect if the item it was reflecting off of had a positive charge.

Rutherford set up this experiment in order to see Thomsons model was correct.

The Unexpected Result.

Question 2

Question 3

The correct Answer

What did Rutherford compare this experiment to?

A.) a car going as fast as it can.

B.) The speed of Light

C.) A bullet fired at a piece of tissue paper, then coming back and hitting you.

D.) a balloon floating

An Alpha particle would bounce backwards if it bumped into something with _______ mass and _________ Charge than the particle itself.

A: Less; Negative

B: Greater; Positive

C: Same; Neutral

D: Same; Positive

For the previous question, the correct answer would be B.

Now this experiment was important because it showed particles were not solid.

How much change in direction could the alpha particles have to pass through the foil.

A: Lots of change

B: Only small Change

C: No Change at all

D: Proton

The Correct Answer was.....

The correct answer was C. Rutherford compared the gold sheet to a piece of tissue paper!

In Conclusion

Final Question

Correct Answer: B

Rutherfords' gold experiment's unexpected result changed the way people thought about the structure of the atom.

The Answer

The answer is C, Empty space.

Almost all Alpha particles passed through the gold, but some few bounced back.

99 % of Atoms is what?

A: Neutrons

B: Protons

C: Empty Space

D: Metal

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