Atom Structure Exam Prep
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Atom Structure Exam Prep
The structure of an atom includes sub-atomic particles: electrons, protons, and neutrons. Key experiments like J.J. Thomson's cathode ray experiment and Rutherford's alpha scattering experiment are crucial for understand...
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What is the significance of Millikan's oil drop experiment?
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Millikan's experiment determined the charge of the electron, providing a fundamental constant in physics.
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Discuss the significance of the Bohr model of the atom.
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The Bohr model introduces quantized orbits for electrons, explaining atomic stability and spectral lines.
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Explain how the discovery of neutrons contributed to atomic theory.
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The discovery of neutrons by Chadwick helped explain atomic mass and isotopes, refining atomic theory.
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Calculate the number of neutrons in an isotope with a mass number of 24 and atomic number of 12.
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Number of neutrons = Mass number - Atomic number = 24 - 12 = 12.
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