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Questions and Answers
Which model of the atom did the Bohr model ultimately replace?
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?
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?
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?
What is the main improvement of the Bohr model over the Rutherford model?
Which model of the atom is analogous to the structure of the Solar System?
Which model of the atom is analogous to the structure of the Solar System?
Which model of the atom did the Rutherford model overturn in 1911?
Which model of the atom did the Rutherford model overturn in 1911?
What did the Rutherford model propose about the atom's nucleus?
What did the Rutherford model propose about the atom's nucleus?
What experiment did Rutherford use to demonstrate the existence of the atomic nucleus?
What experiment did Rutherford use to demonstrate the existence of the atomic nucleus?
What did Rutherford's gold foil experiment reveal about the atom?
What did Rutherford's gold foil experiment reveal about the atom?
What did Rutherford's new model for the atom propose about the central volume?
What did Rutherford's new model for the atom propose about the central volume?
According to the Geiger-Marsden experiments, every atom has a nucleus where all of its positive charge and most of its mass is concentrated.
According to the Geiger-Marsden experiments, every atom has a nucleus where all of its positive charge and most of its mass is concentrated.
Who conducted the Geiger-Marsden experiments?
Who conducted the Geiger-Marsden experiments?
Which prevailing theory of atomic structure did the Geiger-Marsden experiments overturn?
Which prevailing theory of atomic structure did the Geiger-Marsden experiments overturn?
What did J. J. Thomson's plum pudding model propose about the atom?
What did J. J. Thomson's plum pudding model propose about the atom?
When were the Geiger-Marsden experiments performed?
When were the Geiger-Marsden experiments performed?
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