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Lithium, the number-three element on the periodic table, has a mass that is twice that of hydrogen. true or false?
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Lithium, the number-three element on the periodic table, has a mass that is twice that of hydrogen. true or false?

User OscarLeif
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The correct answer is false. Lithium has a mass that is not twice that of hydrogen or any other element rather it is approximately half the mass of a carbon atom. Lithium has a mass of 6.941 g / mol while carbon has a mass of 12.01 g / mol
User Pavel Uspenskiy
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