Question

Define atomic mass unit ??

Answer 1

Atomic Mass Unit (AMU) is used to express atomic and molecular weights or the mass of atomic and subatomic particles and equal to 1/12 the mass of the carbon-12 atom. It is also called Dalton.

Answer 2

Atomic mass unit :- atomic mass unit is the mass of one atom of any element is known as atomic mass . it is denoted by amu or u .

# atomic mass unit is a relative number , hence, it have no unit or no dimension.