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| electromagnetic radiation |
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| form of energy that exhibits wavelike behavior as it travels through space, i.e. microwaves, x-rays, waves that carry radio and television signals |
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| the shortest distance between equivalent points on a continuous wave (usually expressed in meters, centimenters, nanometers |
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| the number of waves that pass a given point per second (expressed with units of waves per second) |
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| a wave's height from the origin to the crest |
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| includes all forms of electomagnetic radiation (EM spectrum) |
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| the minimum amount of energy that can be gained or lost by an atom |
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| an effect where electrons, called photoelectrons, are emitted from a metal's surface when light of a certain frequency, or higher than a certain frequency, shines on a surface |
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| massless particle that carries a quantum of energy |
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| a set of frequencies of the electromagnetic waves emitted by atoms of an element |
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| lowest allowable energy state of an atom |
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| number the Bohr assigned to each orbit of an atom |
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| three dimensional region around the nucleus |
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| arrangement of electrons in an atom |
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| single electrons with the same spin must occu;py each equal-energy orbital |
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| electrons in an atom's outermost orbital |
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| consists of the element's symbol surrrounded by dots representing all of the atom's valence electrons |
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