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Explain how to use the periodic table to determine the charge of the atom.
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Explain why electric current cannot exist if a current doesn't have a voltage source.
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Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
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In the cores of extremely hot red giants, nuclear reactions convert helium to
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Explain how to use the periodic table to determine the charge of the atom....
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