Chapter 5: Electrons in Atoms Test Answers
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energy levels
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each electron has a fixed energy
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quantum of energy
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the amount of energy needed to move an electron from one energy level to another
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lowest energy
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closest to the nucleus, higher the energy further away and each level gets closer
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quantum mechanical model
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determines the allowed energies an electron can have and how likely it is to find the electron in various locations around the nucleus
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atomic orbital
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region of space where there is a high chance of finding an electron
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energy sublevel
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each energy sublevel corresponds to an orbital of a different shape, which describes where the electron is likely to be found
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electron configurations
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the arrangement of the various orbitals surrounding the nucleus
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amplitude
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waves height from zero to the rest
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wavelength
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the distance between two crests
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frequency
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number of wave cycles, shorter wavelength=high frequency
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wavelength and frequency
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are inversely proportional to each other
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electromagnetic radiation
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radio waves, microwaves, infrared waves, visible light, ultraviolet waves, X-rays, and gamma rays
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spectrum
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when the different frequencies separate into a spectrum of colors
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atoms absorb energy
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electrons move into higher energy levels
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atoms lose energy
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when electrons go to lower energy levels
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ground state
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lowest possible energy level
