Atomic & Molecular Physics
Spin, orbitals, exclusion, bonding, spectra, and the coherent light that makes lasers possible.
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Spin
Particles spin without spinning
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The Stern-Gerlach Experiment
The experiment that found spin
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Pauli Exclusion
Why every atom has a shape
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Multi-Electron Atoms
When electrons have to share a house
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Molecular Orbitals
Two atoms, one shared cloud
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Chemical Bonding
Why atoms stick together
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Spectroscopy
How light tells you what something is
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Lasers
Coherent light, plain and simple