Difference Between Atomic Mass And Atomic Weight

 7 Difference Between Atomic Mass And Atomic Weight

S.NO.	Atomic Mass	Atomic Weight
1.	Atomic mass refers to the mass of an atom.	Atomic weight is the average mass of an atom of an element based on the naturally occurring isotopes of the element.
2.	Atomic mass is measured in atomic mass units (amu).	Atomic weight is typically expressed in grams per mole (g/mol).
3.	Atomic mass is a characteristic property of an atom and does not change.	Atomic weight is an average value and can vary slightly due to the presence of different isotopes.
4.	Atomic mass is determined by the number of protons and neutrons in the nucleus of an atom.	Atomic weight is determined by the relative abundance of each isotope of an element.
5.	Atomic mass is a fundamental property of an atom and is used to calculate the mass of molecules and compounds.	Atomic weight is used in chemical calculations and in the organization of the periodic table.
6.	Atomic mass is a measure of the total mass of an atom.	Atomic weight is a measure of the relative mass of an atom compared to other atoms.
7.	Atomic mass is often referred to as the atomic mass number or the mass number.	Atomic weight is also known as the atomic weight number or the relative atomic mass.

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