Question

what is meant by unified atomic mass​

Answer 1

Answer:

The atomic mass unit is a unit of mass, often abbreviated as amu, which is approximately the mass of one nucleon. This mass is also called the atomic mass constant and denoted by mᵤ. Several definitions of this unit have been used, implying slightly different values

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Answer 2

Answer:

The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is a standard unit ofmass that quantifies mass on an atomic ormolecular scale (atomic mass). One unified atomic mass unit is approximately the massof one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol.