In this article we will discuss the basic definitions of Atomic and Molecular Mass, and some important aspects related to these.
The weight of an atom is called as atomic mass. 1 unified atomic mass unit is defined as 1/12 of the mass of a single carbon-12 atom.
The atomic mass refers to the mass of a single particle.It is commonly expressed in unified atomic mass units (u).1 unified atomic mass unit is defined as 1/12 of the mass of a single carbon-12 atom.
The sum of the masses present in a molecule is called as molecular mass.
The molecular mass is called as gram molecular mass if it is expressed in grams.
The atomic mass or molecular mass of a substance if expressed in grams is called as mole.