When hydrogen atoms are energized by electricity, what is observed?
a) an emission spectrum o...
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Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?
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Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining
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What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m
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