Question

Define nuclear mass????

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Answer 1

Answer:

the mass of a atomic nuclear which is usually measured in atomic mass units it is less that the sum of the masses of its constitution protons and neutrons by the binding energy of the nucleus divided by the square of the speed of the light

Answer 2

The atomic mass (ma or m) is the mass of an atom. Although the SI unit of mass is kilogram (symbol: kg), the atomic mass is often expressed in the non-SI unit dalton (symbol: Da, or u) where 1 dalton is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.[1] The protons and neutrons of the nucleus account for nearly all of the total mass of atoms, with the electrons and nuclear binding energy making minor contributions. Thus, the numeric value of the atomic mass when expressed in daltons has nearly the same value as the mass number. Conversion between mass in kilograms and mass in daltons can be done using the atomic mass constant .

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