Question

define atomic mass unit​

Answer 1

Explanation:

MeV/c2. 931.49410242(28) The dalton or unified atomic mass unit (symbols: Da or u) is a unit of mass widely used in physics and chemistry. It is defined 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.