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Grade 12th pass10 grade science

Define atomic mass unit

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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Profile image of Yash Patari
4 Years ago
atomic mass, the quantity of matter contained in an atom of an element. It is expressed as a multiple of one-twelfth the mass of the carbon-12 atom, 1.992646547 × 1023 gram, which is assigned an atomic mass of 12 units. In this scale, 1 atomic mass unit (amu) corresponds to 1.660539040 × 1024 gram.