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Why are elements with high electron affinities also the most electronegative?
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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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How many atoms or molecules are there in a mole of a substance?
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Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?
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Why are elements with high electron affinities also the most electronegative?...
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