Question

one twelfth mass of an isotope of c-12 atom is called ___________​

Answer 1

Answer:

One twelfth mass of an isotope of c- 12 atom is called Atomic mass unit.

C- 12 is Considered as standard.

amu is replaced by Dalton (u)

Answer 2

Answer:

is called an atom mass unit

hope it helps uh❤