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en.wikipedia.org/wiki/Relative_atomic_mass

The IUPAC commission CIAAW maintains a more strict definition of the relative atomic weight, named standard ...

www.school-for-champions.com/chemistry/atomic_weight.htm

Atomic Weight in Chemistry. by Ron Kurtus (revised 30 August 2012). The atomic weight—or more correctly stated: relative atomic mass—of an element is a ...

www.thoughtco.com/definition-of-atomic-weight-604378

Mar 7, 2017 ... This is the atomic weight definition in chemistry, as well as synonyms and examples of atomic weight.

www.livescience.com/20581-weigh-atom.html

May 25, 2012 ... A moment's thought shows you can't weigh an atom on a traditional scale ... This useful fact allowed chemists to compare the relative weights of ...

www.britannica.com/science/atomic-weight

Atomic weight, also called relative atomic mass, ratio of the average mass of a chemical element's atoms to some standard. Since 1961 the standard unit of ...

dl.clackamas.edu/ch104-03/relative.htm

Relative Atomic Weights. Let's look at some of the things you have already learned in this course. You know that elements can combine with one another to form ...

dl.clackamas.edu/ch104/lesson2atomicweights.html

In this section we will look at those relative atomic weights, how they were based on hydrogen as a standard, and then how and why that standard was changed.

web.lemoyne.edu/giunta/EA/DALTONann.HTML

Items 7 - 12 ... It is not, however, the first published statement of Dalton's atomic hypothesis or the first table of his atomic weights. A "Table of the relative weights of ...

www.ncbi.nlm.nih.gov/pubmed/18785619

However, the secret to unlocking the hieroglyphics contained in the atomic weights is revealed by a study of the relative abundances of the isotopes.

www.khanacademy.org/science/chemistry/atomic-structure-and-properties/introduction-to-the-atom/v/atomic-weight-and-atomic-mass

Atomic weight is the average mass of all of the naturally-occurring isotopes of an element. ... Atomic weight is an outdated way to refer to relative atomic mass.