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The Gold Foil Experiment Quiz

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Questions and Answers

Which physicist guided the Geiger-Marsden experiment, also known as the Rutherford gold foil experiment?

J.J. Thomson

Hans Geiger

Ernest Rutherford (correct)

Ernest Marsden

What was the purpose of the Geiger-Marsden experiment?

To observe alpha particles

To test the plum pudding model (correct)

To study the behavior of gold foil

To understand atoms' structure

According to the plum pudding model, how were electrons arranged within an atom?

Attached to the nucleus

Arranged in concentric shells

Located at the center of the atom

Floating within positively charged matter (correct)

What particles were fired through the gold foil in the Geiger-Marsden experiment?

Alpha particles Signup and view all the answers

What did Democritus name the fundamental particle that cannot be further divided?

Atomos Signup and view all the answers

According to J.J. Thomson's cathode ray experiment, what did he conclude about the atom?

The atom can be subdivided into smaller particles and contains a negatively charged electron Signup and view all the answers

What did Ernest Rutherford discover in his gold foil experiment?

Atoms are mostly empty space with a central positively charged nucleus Signup and view all the answers

What was the atomic model proposed by J.J. Thomson called?

Plum pudding model Signup and view all the answers

What did the Ernest Rutherford gold foil experiment falsify?

The idea that atoms are composed of small negatively charged electrons surrounded by positively charged matter Signup and view all the answers

Why did Rutherford choose to fire alpha particles through gold foil in his experiment?

Gold is a heavy element that is exceptionally malleable and can be formed into thin foil Signup and view all the answers

Which of the following statements is true about Ernest Rutherford's gold foil experiment?

Some of the alpha particles were deflected and some even bounced back towards their source. Signup and view all the answers

What did the Rutherford gold foil experiment demonstrate about the atom's structure?

The atom is composed of mostly empty space. Signup and view all the answers

Why did some of the alpha particles bounce back towards their source in the gold foil experiment?

The alpha particles were positively charged and repelled by the positively charged nucleus. Signup and view all the answers

What did the gold foil experiment demonstrate about the composition of the atom?