Question

define the atomic mass unit​

Answer 1

Answer:

The dalton or unified atomic mass unit is a unit of mass widely used in physics and chemistry. It is defined precisely as 1/12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest

Answer 2

Answer :

a unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

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