What is another word for relative atomic mass?
Pronunciation: [ɹˈɛlətˌɪv ɐtˈɒmɪk mˈas] (IPA) 
Relative atomic mass is the average mass of atoms in a given element compared to the mass of an atom of carbon-12, which has a relative atomic mass of 12. The term can also be referred to as atomic weight or atomic mass. In chemistry, one may use the terms equivalent weight or molecular weight to refer to relative atomic mass. Furthermore, the terms gram-atom or gram-ion may be used in the calculation of relative atomic mass, as they represent the molar mass of an element in grams per mole. Another term to describe relative atomic mass is isotopic mass, which considers the natural abundance of different isotopes within a given element.
