KnowraStandard atomic weightLinked fromLinked fromThe 5 pages that link to Standard atomic weight, each with the reason it gives.All 5Broader topic 1Compared with 4Atomic massCompared with: It accounts for natural variation in isotope abundances across materials.Relative atomic massCompared with: It extends the isotope-weighted idea to natural samples whose isotope proportions can vary.Atomic weightBroader topic: This is the standardized form commonly used in reference tables.Atomic mass unitCompared with: It is an element-level reference value, not the mass of a single atom.Whole-number ruleCompared with: It is a composition-dependent elemental value, not the mass of one integer-counted nucleus.