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Definition
| Came up with the "plum pudding" theory of the nucleus |
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Definition
| Came up with the "planetary model" of the atom |
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Definition
| Came up with the "cloud" model of the atom, which is the most accepted one today |
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Term
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Definition
| The energy emitted or absorbed when electrons move to a new level in their cloud |
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Term
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Definition
| Spherical-shaped orbital level of electrons with one sublevel |
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Term
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Definition
| Dumbbell-shaped orbital level of electrons with three sublevels |
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Definition
| Dumbbell-with-a-donut-shaped orbital level of electrons with five sublevels |
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Term
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Definition
| Oddly-shaped orbital level of electrons with seven sublevels |
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Term
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Definition
| Rule that says each electron occupies the lowest energy orbital available |
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Term
| Pauli Exclusion Principle |
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Definition
| Rule that says two electrons occupy a single orbital, and they have opposite spins |
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Term
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Definition
| Rule that says electrons must have one in each orbital (up arrow) before a second one will spin in the opposite direction |
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Term
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Definition
| Shortcut used to show the electron configuration of a noble gas plus the next higher orbitals |
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Term
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Definition
| Max Planck and Albert Einstein showed that electrons exhibit both particle- and wave-like properties |
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Term
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Definition
| Always a constant speed (3x10^8 m/s) |
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