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Atomic weight
Atomic mass - Wikipedia, the free encyclopedia
The atomic mass (m a) is the mass of an atom, most often expressed in unified atomic mass units. The atomic mass may be considered to be the total mass of protons, neutrons and ... (more...)
atomic weight definition of atomic weight in the Free Online ...
atomic weight, mean (weighted average) of the masses of all the naturally occurring isotopes isotope (?`s?t?p)..... Click the link for more information. of a chemical element ... (more...)
atomic weight - definition of atomic weight in the Medical dictionary ...
atomic weight. n. Abbr. at wt, AW. The average mass of an atom of an element, usually expressed relative to the atomic mass of carbon 12. atomic weight, (more...)
atomic weight ? FREE atomic weight Information | Encyclopedia.com ...
atomic weight ? Facts about atomic weight, Pictures, Video and atomic weight Information at Encyclopedia.com: a free, credible collection of encyclopedias. (more...)
atomic weight definition | Dictionary.com
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Atomic Weight
Atomic Weight How did Mendeleev know the weights of different atoms? Good question. Nineteenth century chemists couldn't take individual atoms and plunk them on a scale. (more...)
atomic weight: Definition from Answers.com
atomic weight n. The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass (more...)
Atomic weight - Wikipedia, the free encyclopedia
Atomic weight (symbol: A r) is a dimensionless physical quantity, the ratio of the average mass of atoms of an element (from a given source) to 1/12 of the mass of an atom of ... (more...)