- relative atomic mass
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ratio of the atomic mass of one atom of an isotope to 1/12 (one twelfth) the mass of a Carbon-12 atom
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relative atomic mass
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relative atomic mass — ► NOUN ▪ the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon 12 … English terms dictionary
relative atomic mass — noun (chemistry) the mass of an atom of a chemical element expressed in atomic mass units • Syn: ↑atomic mass, ↑atomic weight • Topics: ↑chemistry, ↑chemical science • Hypernyms: ↑m … Useful english dictionary
relative atomic mass — UK / US noun [countable] Word forms relative atomic mass : singular relative atomic mass plural relative atomic masses chemistry the mass of an atom of a particular chemical element … English dictionary
relative atomic mass — santykinė atominė masė statusas T sritis Standartizacija ir metrologija apibrėžtis Cheminio elemento vidutinės masės ir nuklido ¹²C atomo masės 1/12 dalies dalmuo. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass vok. Atommasse … Penkiakalbis aiškinamasis metrologijos terminų žodynas
relative atomic mass — santykinė atominė masė statusas T sritis Standartizacija ir metrologija apibrėžtis Vidutinės elemento atomų masės ir 1/12 nuklido ¹²C atomo masės dalmuo. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass vok. Atommasse, f;… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
relative atomic mass — santykinė atominė masė statusas T sritis chemija apibrėžtis Vidutinės elemento atomų masės ir 1/12 nuklido ¹²C atomo masės santykis. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass rus. атомная масса; атомный вес;… … Chemijos terminų aiškinamasis žodynas
relative atomic mass — noun the average mass of the atoms of an element in its naturally occurring state, relative to the mass of an atom of the carbon 12 isotope taken as exactly 12. Compare atomic mass. Also, atomic weight …
relative atomic mass — (ram) Mass of atoms of an element formerly in atomic weight units but now more correctly given on the unified scale where 1 u is 1.660 x 10 27kg, where u is the atomic mass unit. For natural elements with more than one isotope, it is the average… … Dictionary of automotive terms
relative atomic mass — noun Chemistry the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon 12 … English new terms dictionary
Atomic mass — The atomic mass (ma) is the mass of an atom, most often expressed in unified atomic mass units. [GoldBookRef|file=A00496|title=atomic mass] The atomic mass may be considered to be the total mass of protons, neutrons and electrons in a single atom … Wikipedia
