1/ using the word "spin" here is a very bad idea, because it's overloaded.https://twitter.com/ItsRobbAllen/status/1037748179985461248 …
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4/ If it did, it would be a charged particle moving through a magnetic field, and thus would lose energy (emitted as photons) and bleed away its KE and end up crashing into nucleus. This is what the old model predicted, obviously that didn't happen, so the old model was wrong
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5/ This gave rise to the current model that the electron is not orbiting per se, but exists in a probability cloud. So there's no KE gained / lost from the "orbit" per se when an electron enters/leaves a nucleus.
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6/ There is energy gained / lost as an electron changes which shell its in. This energy is emitted as photons when an electron drops down a tier, and is gained from absorbing a photon, heat, chemical means, etc. Because shells are quantized, photonic emissions are quantized
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7/ This is why elements have their characterisic spectra.
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8/ Agreed. Climbing to higher shells, or leaving the outermost shell, CONSUMES energy. Dropping into a shell / lower shell emits energy. Ionizing radiation is bad bc it breaks electrons loose from their atoms...IN YOUR BODY https://twitter.com/BrowningMachine/status/1037755203683082245 …
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