Question

What is meant by unified atomic mass unit

Answer 1

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The unified atomic mass unit or dalton is a standard unit of massthat quantifies mass on an atomic or molecular 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.

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Answer 2

Answer:

today we have highly accurate methods for measuring the mass of an atom directly hence instead of relative mass unified mass is not accepted as the unit of atomic mass it's it is called Delton its symbol is u 1u=1.66053904×10 raise to 23kg