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Chemistry, Science
9th -
12thgrade
The Historical Development of Atomic Theory
20 questions
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- 1. Multiple Choice
Which scientist provided a foundation for John Dalton’s work on the atomic structure?
Robert Millikan
Joseph Proust
Ernest Rutherford
J. J. Thomson
- 2. Multiple Choice
Which scientist is credited with developing the first scientific atomic theory?
John Dalton
Joseph Proust
Ernest Rutherford
J. J. Thomson
- 3. Multiple Choice
How did the development of the earliest idea about atoms differ from the later work of scientists?
It was based on sound evidence.
There were explanations for the idea.
It was based on the thoughts of an early philosopher.
There were experiments conducted to support the idea.
- 4. Multiple Choice
From his experiments, J. J. Thomson concluded that
cathode ray particles can move at very fast speeds.
cathode ray particles can be moved by electric current.
atoms contain small positively charged particles that are called protons.
atoms contain small negatively charged particles that are called electrons.
- 5. Multiple Choice
Which best describes the effect of J. J. Thomson’s discovery?
The accepted model of the atom was changed.
The accepted model of the atom was supported.
Cathode ray tubes were no longer used in experiments due to poor results.
Cathode ray tubes became the only instrument of use in the study of atoms.
- 6. Multiple Choice
Which atomic model was proposed as a result of J. J. Thomson’s work?
the plum pudding model
the indivisible atom model
an atom that had a lot of empty space
an atom that had a concentrated nucleus
- 7. Multiple Choice
Which particle is J. J. Thomson credited with discovering?
electron
neutron
proton
photon
- 8. Multiple Choice
Which statement is most likely true?
Ernest Rutherford’s experiment led to the nuclear model of the atom.
Ernest Rutherford’s experiment established the plum pudding model of the atom.
Robert Millikan’s postulates form the most accepted theory for the atomic structure.
Robert Millikan’s results had little impact on determining of the charge of an electron.
- 9. Multiple Choice
Which conclusion could be made from Ernest Rutherford’s gold foil experiment?
Atoms are made up of mostly empty space.
Atoms are mainly solid and block alpha particles.
The volume of the nucleus is large compared to the rest of the atom.
The mass of the nucleus is small compared to the rest of the atom.
- 10. Multiple Choice
What did Ernest Rutherford’s gold foil experiment demonstrate about atoms?
Their positive charge is located in a small region that is called the nucleus.
Their negative charge is located in small particles that are called electrons.
Their nucleus makes up the majority of the volume of the atom.
Their electrons are floating in a sea of positive charges.
- 11. Multiple Choice
Which statement best summarizes the importance of Ernest Rutherford’s gold foil experiment?
It proved that all of John Dalton’s postulates were true.
It verified J. J. Thomson’s work on the atomic structure.
It showed that an electron circles a nucleus in a fixed-energy orbit.
It showed that a nucleus occupies a small part of the whole atom.
- 12. Multiple Choice
Which statement best describes John Dalton’s use of creativity in his work?
He reinterpreted and retested Joseph Proust’s results.
He used a philosophy to conduct his experiment.
He recorded his results as four parts of the atomic theory.
He rejected Democritus’s idea that matter was composed of atoms.
- 13. Multiple Choice
Which activity best demonstrates Ernest Rutherford’s creativity?
questioning the correctness of the plum pudding model
designing an experiment to test the plum pudding model
making observations about the gold foil experiment
summarizing the conclusions from the gold foil experiment as a theory
- 14. Multiple Choice
Which activity is the best demonstration of J.J. Thomson’s use of creativity in his work?
ignoring observations in his experiment
interpreting the results of his experiment
physically assembling the apparatus for his experiment
reading about Joseph Proust’s work
- 15. Multiple Choice
Whose work directly resulted in the development of an atomic model that has negative electrons stuck within a sea of positive material?
Democritus
Rutherford
Thomson
Dalton
- 16. Multiple Choice
What could J. J. Thomson conclude from his experiments?
Atoms are mostly empty space.
Most of the mass of the atom is concentrated in the center.
Atoms must balance positive and negative particles.
Atoms are indivisible.
- 17. Multiple Choice
Who was the first person to come up with the idea of the atom?
Democritus
Aristotle
Dalton
Thomson
- 18. Multiple Choice
Who created the solid sphere model of the atom?
Dalton
Thomson
Bohr
Rutherford
- 19. Multiple Choice
Who created the plum pudding model of the atom?
Rutherford and the plums were protons
Rutherford and the plums were electrons
Thomson and the plums were protons
Thomson and the plums were electrons
- 20. Multiple Choice
The cathode-ray tube was used to discover the ____ by ____.
Electron by Thomson
Electron by Ruthefeord
Proton by Thomson
Proton by Rutherford
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