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| the fixed energies an electron can have |
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| the amount of energy required to move an electron from one energy level to another energy level |
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| the modern description of the electrons in atoms |
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| a region in space in which there is a high probability of finding an electron |
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| the ways in which electrons are arranged in various orbitals around the nuclei of atoms |
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| electrons occupy the orbitals of lowest energy first |
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| Pauli exclusion principle |
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| an atomic orbital may describe at most two electrons |
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| when electrons occupy orbitals of equal energy,one electron enters each orbital until all the orbitals contain one electron with parallel spins |
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| the wave's height from zero to crest |
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| the distance between two consecutive wave crests |
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| the number of wave cycles to pass a given point per unit of time; represented by v |
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| SI unit of cycles per second; can also be expressed as a reciprocal second |
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| electromagnetic radiation |
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| includes radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays, and gamma rays; travels at a speed of 2.998 x 10^8 |
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| wavelengths of visible light that are separated when a beam of light passes through a prism; range of wavelengths of electromagnetic radiation |
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| the pattern formed when light passes through a prism or diffraction granting to separate it into the different frequencies of light it contains |
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| when the electron has its lowest possible energy |
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| Heisenberg uncertainty principle |
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| it is impossible to know exactly both the velocity and the position of a particle at the same time |
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| predicts that all matter exhibits wave-like motion |
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