anamariarozo
anamariarozo
09.07.2019 • 
Chemistry

Will mark brainliest! how is the atomic mass unit (amu) defined? a) 1/14 the mass of a nitrogen-14 atom b) 1/13 the mass of a carbon-13 atom c) 1/16 the mass of an oxygen-16 atom d) 1/12 the mass of a carbon-12 atom

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