Question

Qus. Answer the
the following qu
1. Define the atomic mass unit.
2​

Answer 1

Answer:

1. An atomic unit of mass is defined as accurately 1/12 the mass of a carbon-12 atom. The carbon-12 atom has six neutrons and six protons in its nucleus. The atomic unit mass is symbolized as AMU or amu. 1 AMU = Average of the proton rest mass and the neutron rest mass.