Atomic Spectroscopy

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Faaizah Arshad 1H
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Atomic Spectroscopy

Postby Faaizah Arshad 1H » Thu Oct 15, 2020 4:05 pm

Does atomic spectroscopy support the idea that electrons have wavelike properties or particle like properties, or neither?

Thank you!

Posts: 95
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Re: Atomic Spectroscopy

Postby RDove_3G » Thu Oct 15, 2020 4:25 pm

It shows electrons having particle properties because the energy of the light must match the quantized energy amounts between the energy levels.

Elena Chen 2E
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Re: Atomic Spectroscopy

Postby Elena Chen 2E » Thu Oct 15, 2020 5:14 pm

Atomic spectroscopy supports the idea of light, not electrons, as particles (though electrons are also particles) because photons must match the specific energy levels of the atom (or molecule) in order to be absorbed/emitted. Otherwise, the light simply passes through.

Hannah Lechtzin 1K
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Re: Atomic Spectroscopy

Postby Hannah Lechtzin 1K » Thu Oct 15, 2020 5:22 pm

Atomic Spectroscopy supports the idea that light functions as a particle. This is demonstrated by the fact that using a higher intensity of a low energy light source does not cause electrons to be ejected, which should have happened if light is acting as a wave. Instead, a high energy light source must be used because individual photons are interacting with individual electrons, thus light is behaving as a particle in that experiment.

Jonathan Batac - 2D
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Re: Atomic Spectroscopy

Postby Jonathan Batac - 2D » Thu Oct 15, 2020 6:28 pm

Atomic spectroscopy falls under the experiments that support quantum mechanics. I think you meant "photons have either wavelike or particle-like properties." When a source of light has the energy matches/exceeds the energy difference between energy levels, it will excite the electron and move it to the next level; otherwise, the photon will pass through. This happens in discrete amounts meaning that there is no "in between" energy level (n=1.1, 1.2, 1.3,...), only n=1, 2, 3, and so on. Therefore, it is not "continuous" (wavelike properties).

Katie Phan 1K
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Re: Atomic Spectroscopy

Postby Katie Phan 1K » Thu Oct 15, 2020 6:55 pm

It wouldn't be wavelike properties since it is not continuous like a wave, rather it is quantized.

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