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An atom has 43 protons 55 neutrons and 44 electrons. what is the charge of the atom's nucleus?
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Endeleev saw trends in the physical and chemical properties of elements when he organized them by
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An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
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How many miles of water are produced if 5.43 mol pbo2 are consumed
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An atom has 43 protons 55 neutrons and 44 electrons. what is the charge of the atom's nucleus?...
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