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If 92.7% of atoms are hydrogen and 6.9% of atoms are helium. what percentage of atoms are neither helium nor hydrogen?
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If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone
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If 92.7% of atoms are hydrogen and 6.9% of atoms are helium. what percentage of atoms are neither he...
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