Question

What is meant by Unified Atomic Mass.' Write answers to the question and explain your answers.

Answer 1

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