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atomic structure and periodic properties lecture 2 for posting

Atomic structure and periodic properties lecture 2 for posting

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In the previous lecture we talked about the idea that light can be seen to be a wave by double slit experiment, demonstrating the wave property of interference. We also said that the photoelectric effect showed that light is also a particle, existing as a photon. The energy of the photon is given by E = h . Just as light can be said to act as either a wave and a particle, depending on the experiment you do, the same is true of particles like electrons or neutrons. Electrons and neutrons, just like light photons, exhibit interference in a two slit experiment.
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7 2 Animation about double slit experiment This apparent link between observation and reality was the topic of intense debate: Schrodinger’s Famous Cat Again the cat, to be, or not to be?
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LINE SPECTRA Electronic Transitions in the Bohr Model for the Hydrogen Atom E n = -(2.178x10 -18 J)Z 2 /n 2 Note: the energy of the n = ∞ energy level is zero (an ionized electron)
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