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What is the atomic number of an element whose atoms each contain 47 protons, 60 neutrons, and 47 electrons?
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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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What is the atomic number of an element whose atoms each contain 47 protons, 60 neutrons, and 47 ele...
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