Atomic Physics and the Bohr Model Quiz

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Which model of the atom did the Bohr model ultimately replace?

Perrin's model

Larmor's Solar System model

Nagaoka's Saturnian model (correct)

Haas's quantum model

What force provides attraction in the Bohr model of the atom?

Magnetic force

Nuclear force

Gravity

Electrostatic force (correct)

Which model of the atom was proposed by Arthur Haas?

Haas's quantum model (correct)

Larmor's Solar System model

Perrin's model

The plum pudding model

What is the main improvement of the Bohr model over the Rutherford model?

Introduction of quantum mechanics Signup and view all the answers

Which model of the atom is analogous to the structure of the Solar System?

The Bohr model Signup and view all the answers

Which model of the atom did the Rutherford model overturn in 1911?

Plum pudding model Signup and view all the answers

What did the Rutherford model propose about the atom's nucleus?

It was positively charged Signup and view all the answers

What experiment did Rutherford use to demonstrate the existence of the atomic nucleus?

Gold foil experiment Signup and view all the answers

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

The atom has a tiny and heavy nucleus Signup and view all the answers

What did Rutherford's new model for the atom propose about the central volume?

It contained most of the atom's mass Signup and view all the answers

According to the Geiger-Marsden experiments, every atom has a nucleus where all of its positive charge and most of its mass is concentrated.

True Signup and view all the answers

Who conducted the Geiger-Marsden experiments?

Hans Geiger Signup and view all the answers

Which prevailing theory of atomic structure did the Geiger-Marsden experiments overturn?

Plum pudding model Signup and view all the answers

What did J. J. Thomson's plum pudding model propose about the atom?

Electrons are distributed throughout a sphere of positive charge. Signup and view all the answers

When were the Geiger-Marsden experiments performed?

1908-1913 Signup and view all the answers