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Questions and Answers
What are the three subatomic particles discovered through investigations in the 19th and 20th centuries?
What are the three subatomic particles discovered through investigations in the 19th and 20th centuries?
Electrons, protons, and neutrons
What are the two laws that Dalton's atomic theory (1808) is based on?
What are the two laws that Dalton's atomic theory (1808) is based on?
Law of conservation of mass and law of definite proportions
Who proposed the law of multiple proportions as a logical consequence of his atomic theory?
Who proposed the law of multiple proportions as a logical consequence of his atomic theory?
Dalton
What experiment led to the discovery of the electron?
What experiment led to the discovery of the electron?
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What is the fundamental constant associated with quantum radiation theory?
What is the fundamental constant associated with quantum radiation theory?
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Study Notes
Subatomic Particles
- Three subatomic particles discovered through investigations in the 19th and 20th centuries: proton, neutron, and electron
Dalton's Atomic Theory
- Dalton's atomic theory (1808) is based on two laws: Law of Definite Proportions and Law of Multiple Proportions
- John Dalton proposed the law of multiple proportions as a logical consequence of his atomic theory
Discovery of the Electron
- Experiment that led to the discovery of the electron: Cathode Ray Tube Experiment (J.J. Thomson, 1897)
Quantum Radiation Theory
- Fundamental constant associated with quantum radiation theory: Planck's Constant (denoted by h)
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Description
Test your knowledge of atomic structure and the concept of quantum mechanics with this quiz. Explore topics like the discovery of subatomic particles, Thomson's model, Rutherford's experiment, wave properties, electromagnetic radiation, black body radiation, and atomic spectra.
