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9 Cards in this Set
- Front
- Back
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Regions around a nucleus that correspond to specific energy levels.
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Orbitals
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All of the frequencies or wavelengths of electromagnetic radiation.
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Electromagnetic Spectrum
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When an electron is in a state of lowest possible energy.
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Ground State
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When an electron gains energy it moves to this state.
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Excited State
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A number that specifie the properties of electrons.
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Quantum Numbers
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The principle that states that two particles of a certain class cannot be in exactly the same energy state.
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Paulie Exclusion Principle
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The arrangement of electrons in an atom.
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Electron Configuration
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The principle that states that the structure of each successive element is obtained by adding one proton to the nucleus of the atom and one electron to the lowest energy orbital that's available.
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Aufbau Principle
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The rule that states that for an atom in the ground state, the number of unpaired electrons is the maximum possible and these unpaired electronshave the same spin.
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Hund's Rule
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