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Plasma occurs in electrical sparks. these sparks contain a) free protons. b) free molecules. c) ions and electrons. d) neutrons and protons.
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If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Which sample at stp has the same number of atoms as 18 liters of ne at stp
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Plasma occurs in electrical sparks. these sparks contain a) free protons. b) free molecules. c) ions...
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