Question

is atomic mass unit si unit of atomic mass​

Answer 1

Answer:

unified atomic mass unit

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.

Answer 2

Answer:

actomic mass=the number of times one atom of a given element is heavier than 1/12 part of mass of 12^c is called it's atomic mass