What is mean by unified atomic mass unit?
Answers
☆ ANSWER
▪︎In 20 century various instruments for accurate determination of atomic masses were developed.
▪︎Therefore, instead of relative atomic mass, it is not possible to determine the atomic masses in KG.
▪︎By unified atomic mass unit, call the daltons has been accepted as the unit for expressing atomic mass unit 1 u = 1.66053904 x 10-²⁷ kg
QUESTION -
What is mean by unified atomic mass unit?
ANSWER -
The atomic mass unit (abbreviated as amu or simply u) is a unit that is used to express the atomic masses of atoms and molecular masses of compounds. One atomic mass unit is a mass unit equal to exactly one twelfth (1/12th) the mass of one atom of carbon-12.
✔️The atomic masses of all elements have been found relative to an atom of carbon-12.
Unified atomic mass unit is a unit which is used to express the masses of atoms, molecules, ions, etc. Its symbol is u.
1 unified atomic mass unit (u) is defined as the one-twelfth of the mass of one atom of carbon 12.