Question

WHAT IS ATOMIC MASS UNIT AND ATOMIC MASS??????????

Answer 1

atomic mass is the mass of one atom of an element and amu is the unit in hich it is measured.

Answer 2

HERE IS YOUR ANSWER

ATOMIC MASS => IT IS DEFINED AS TOTAL MASS OF PROTON AND NEUTRON

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ATOMIC MASS UNIT => A unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.