Question

What is Relative atomic mass and atomic mass unit? (class 9 : fundamental of chemistry)​

Answer 1

Answer:Relative atomic mass (symbol: Ar) or atomic weight is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. The atomic mass constant (symbol: mu) is defined as being 112 of the mass of a carbon-12 atom.

Explanation:

Answer 2

Answer:

Relative atomic mass of element is the ratio between the average mass of its isotopes to 1/12 th part of the mass of an carbon-12 atom.It is denoted as Ar It is otherwise called as standard Atomic weight