Basic Electron Configuration

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This is an introduction to the concept of electron configuration: how the electrons are arranged in an atom/ion. This is only part of the full explanation. We’ll fill in some of the full picture after we cover the periodic table.
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Ooooh I really like this video + the movie theater analogy! I've been working on electron configuration stuff recently and I've been learning about quantum numbers and different rules and principles more in depth. Makes my head spin (like an electron) sometimes, but I'm so glad I had such a solid basis on this stuff from class before learning all that :)

daisytarot
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There are 8 electrons in the seventh shell. 18 in the 6th. 32 in the 5th and 4th shell. 18 in the 3rd, 8 in the 2nd, and 2 in the 1st. There are not 98 electrons in the 7th. What is he talking about?

jameshopkins