2. atomic weight Chemical abbreviation . WEIGHT. Glossary of petroleum Industry. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word atomic weight. What does atomic weight mean? What does atomic weight mean? Atomic mass is used interchangeably with atomic weight, although the two terms don't mean precisely the same thing. Pu 239 or as. Cambridge Dictionary +Plus See more. Another issue is that "weight" implies a force exerted in a gravitational field, which would be measured in units of force, like newtons. It is the weighted average of the masses of natural isotopes. It can also be defined as the weight of a distinct unit of an element or the amount of matter of the sole weight of an isotope (a variant of a particular chemical element). 1. Difference Between Atomic Number and Atomic Weight Definition. However, most scientists agree that an exception can be made by allowing atomic weights to be dimensionless. Summary – Atomic Weight vs Atomic Mass. Atomic number of chemical element in chemistry define the number by which the elements are arranged in the periodic table in order to increases electrons or protons of the neutral nucleus. Atomic weights (M) of atoms are related to the sum of the number of protons and neutrons.But this number physically corresponds to the actual weight of an atom. Test Your Knowledge - and learn some interesting things along the way. atomic weight definition: 1. another term for relative atomic mass specialized 2. another term for relative atomic mass…. 239 Pu. What does atomic weight mean in finance? Noun. Industry Dictionaries. atomic weight synonyms, atomic weight pronunciation, atomic weight translation, English dictionary definition of atomic weight. ¹. 2. Chemistry glossary Definition of atomic weight and examples. More Commonly Known as Relative Atomic Mass, The Difference Between Atomic Weight and Atomic Mass, Atomic Mass and Atomic Mass Number (Quick Review), Atomic Mass From Atomic Abundance Chemistry Problem, Formula Mass: Definition and Example Calculation, Isotope Definition and Examples in Chemistry, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. The equivalent weight of an element or compound is that weight equivalent in reactive power to one atomic weight of hydrogen. Learn more. This is synonymous with atomic mass. Kaiser and his colleagues chose rhenium because each atom is relatively large, compared more familiar atoms like carbon and oxygen that are less than one tenth of its, This approach succeeds most of the time, when the issue is, say, the, How to Read the Table Many periodic tables include the atomic number (number of protons) and, So Bormanis came up with his own fictional heavy element, dysonium (named in honor of physicist Freeman Dyson), something with an, Post the Definition of atomic weight to Facebook, Share the Definition of atomic weight on Twitter, Words From 1921: 100 Years Old and Still Around. An atomic mass unit is defined as 1/12th the mass of a carbon-12 atom. n. The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic … atomic weight - WordReference English dictionary, questions, discussion and forums. 2. Noun. The atomic weight of an atom depends on the atomic number and the number of neutrons present in the nucleus. A quality in natural bodies, by which they tend towards the centre of the earth. ‘The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus.’ ‘Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements.’ ‘It has an atomic number of 101 and an approximate atomic weight of 258.’ The Atomic weight is defined as the average atomic mass of … After this point, the standard was changed to be 1/12th the weight of a carbon-12 atom in its ground state. The unit is dimensionless. It can also be defined as the weight of a distinct unit of an element or the amount of matter of the sole weight of an isotope (a variant of a … Definition of atomic weight in the Definitions.net dictionary. Usage examples of "atomic weight". Atomic-weight values originally were considered to be constants of nature and, as such, did not have any associated uncertainties. atomic weight definition: 1. another term for relative atomic mass specialized 2. another term for relative atomic mass…. It is an average of relative isotope masses for an element from samples collected all over the Earth, so this value is subject to change as new element sources are discovered. atomic mass definition: 1. the mass of a specific isotope of a particular chemical element, usually expressed in atomic…. Definition of atomic-weight noun in Oxford Advanced American Dictionary. All Free. The atomic weight is simply the weight of one mole (6.022×10^23 atoms) of an element. Cite as: IUPAC. Abbreviation: at. A quality in natural bodies, by which they tend towards the centre of the earth. atomic weight meaning: 1. another term for relative atomic mass specialized 2. another term for relative atomic mass…. Atomic weight Definition from Business & Finance Dictionaries & Glossaries. Atomic definition, of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs: an atomic explosion. Information about atomic weight in the AudioEnglish.org dictionary, synonyms and … The formula of atomic weight can be formulated based on the above definition. The modern periodic system is formed on the basis of atomic number and electronic configuration of the atom but Mendeleev classification is based on atomic weight or mass. Definition of atomic weight in the Financial Dictionary - by Free online English dictionary and encyclopedia. What is Atomic Weight. An atomic weight (relative atomic mass) of an element from a specified source is the ratio of the average mass per atom of the element to 1/12 of the mass of an atom of 12 C. The definition deliberately specifies " An atomic weight…", as an element will have different relative … Enrich your vocabulary with the English Definition … However, because each atom has a very small mass, this is not very helpful. 1 atomic mass unit is defined as 1/12 of the mass of a single carbon-12 atom. 1. 2. atomic weight (plural atomic weights) Former term for the more specific relative atomic mass. Definition of atomic-weight noun in Oxford Advanced Learner's Dictionary. 2. in statistics, the process of assigning greater importance to some observations than to others, or a mathematical factor used to apply such a process. The Nuttall Encyclopedia (0.00 / 0 votes)Rate this definition: For synthetic elements, there is no natural isotope abundance. atomic weight (Noun) A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope. Former term for the more specific relative atomic mass. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. ’Atomic weight’: The name, its … atomic weight Definition Englisch, atomic weight Bedeutung, Englisch Definitionen Wörterbuch, Siehe auch 'atomic age',atomic bomb',atomic clock',atomic cocktail', synonyme, biespiele Can you spell these 10 commonly misspelled words? (chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon-12. Usually carbon, with a weight of 12, is used as the basis. A relative atomic mass (also called atomic weight; symbol: A r) is a measure of how heavy atoms are. Definition of atomic weight in the AudioEnglish.org Dictionary. 'Nip it in the butt' or 'Nip it in the bud'. atomic number Chemical abbreviation atomic weight. Learn more. ¹ The value is given within brackets so that it's understood it's the nucleon count and not a natural value. The atomic weight of an atom individual unit of atomic weight pronunciation picture! 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