Monday, August 15, 2011
Chemistry question rubidium is a soft, silvery-white metal that has two common isotopes , 85 Rb and 87Rb. If t?
rubidium is a soft, silvery-white metal that has two common isotopes , 85 Rb and 87Rb. If the abundance of 85 Rb is 72.2% and the abundance of 87Rbm is 27.8& what is the average atomic m of ribidium
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