Tyagi Parsad
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What is the definition of one atomic mass unit based on the carbon-12 isotope?

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One atomic mass unit is defined as exactly one-twelfth (1/12th) the mass of one atom of carbon-12.

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  1. One atomic mass unit (u) is defined as exactly one-twelfth (1/12th) the mass of one atom of the carbon-12 isotope, serving as the standard reference for measuring atomic masses.

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