Wave Nature of Matter

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Wave Nature of Matter
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De Broglie Wavelength
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Wave-particle duality apply also to matter.
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Early Models of Atoms
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Thomsons Model
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Rutherfords Model
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Atomic Spectra
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The Rutherford model, as it stood, was unable to
explain why atoms emit line spectra.
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The Bohr Model
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Bohrs First Postulate
The angular momentum of electron is quantized.
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Allowed Angular Momenta
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Allowed Radii
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Bohrs Second Postulate
An electron doesnt radiate when it is in one of
the allowed orbits (stationary state).
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Energy Levels of Atom
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Bohrs Third Postulate
A single photon is emitted whenever an electron
jumps down from one orbit to another.
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De Broglies Hypothesis Applied to Atoms