Question

define relative atomic number​

Answer 1

Answer:

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Explanation:

Relative atomic number means weight of a dimensions phsical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant

Answer 2

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.