Question

what is ment by unified atomic mass​

Answer 1

Answer:

The unified atomic mass unit (u), or dalton (Da), is a unit of atomic and molecular mass. By definition it is one twelfth of the mass of an unbound carbon-12 (12C) atom, at rest and in its ground state. ... In the literature one still finds the obsolete unit amu (atomic mass unit).

Explanation:

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Answer 2

Answer:

The unified atomic mass unit (u), or dalton (Da), is a unit of atomic and molecular mass. By definition it is one twelfth of the mass of an unbound carbon-12 (12C) atom, at rest and in its ground state. ... In the literature one still finds the obsolete unit amu (atomic mass unit).