One formula unit of sodium chloride (NaCl) would weigh 58.44 amu (22.98977 amu for Na + 35.453 amu for Cl), so a mole of sodium chloride would weigh 58.44 grams. The amu is the same number as … atomic mass unit 3. It replaces the "atomic mass unit" (without the unified part) and is the mass of one nucleon (either a proton or a neutron) of a neutral carbon-12 atom in its ground state. Atomic mass units Chemistry. The SI unit is the dalton. n. Abbr. SINCE 1828. Atomic Unit synonyms, Atomic Unit pronunciation, Atomic Unit translation, English dictionary definition of Atomic Unit. atomic mass unit translations: jednostka masyatomowej. Of this amount, 30 atomic mass units (40% of the total) will be lost during decomposition while the other 60% will remain. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. Atomic mass unit amu A unit of mass equal to 1/12 the mass of the most abundant isotope of carbon, carbon-12, which is assigned a mass of 12. A property closely related to an atom's mass number is its atomic mass. atomic mass unitAtomic Mass synonyms - 9 Words and Phrases for Atomic Mass 2. Atomic mass is typically calculated by adding the number of protons and neutrons together, ignoring the electrons because of their small size. Daltons are the standard units used for measuring atomic mass. Atomic mass units, or amu, are also used to measure atomic masses, and they are equal to daltons. unified atomic mass unit synonym | English synonyms ...Atomic mass units 1 amu = 1.66 ×10 −24 g It is defined as 1/12th the mass of one carbon-12 atom. Noun Phrase It has an atomic number of 79 and an atomic mass of 197.0 2. Learn more. You may be familiar with the famous equation E = mc 2, which says that mass and energy are basically two ways of talking about the same thing. Abbreviation: amu. One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant isotope of carbon. Noun Phrase (Another name for the number Z is the atomic number.) 12.011. What are synonyms for Atomic mass units? The mass is one of the fundamental metric in the International System of Units, that is measured in kilograms (kg).The gram (g) is equal to 1⁄1000 of a kilogram(or 1E-3kg). Synonyms for Atomic mass units in Free Thesaurus. At the other end, an atomic mass unit equals 1.66 yoctograms. atomic mass unit pronunciation. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. Noun Phrase In this case, carbon has an atomic weight of 12.0 atomic mass units (amu). A hydrogen atom has a mass of 1 atomic mass unit since its mass is 1 / 12 the mass of carbon 12. antonyms. The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu. Antonyms for Unified atomic mass unit. Log in. The meaning of ATOMIC MASS is the mass of an atom usually expressed in atomic mass units; also : atomic weight. Learn more. Atomic mass definition: the mass of an isotope of an element in atomic mass units | Meaning, pronunciation, translations and examples n. Abbr. The atomic mass is equal to: A. … Sentences with atomic-number . Based on this information, in addition to the known relative atomic mass and elemental charge, the atomic mass unit could be established. The pattern in the amounts the atomic masses deviate from their mass numbers is as follows: the deviation starts positive at hydrogen-1, becomes negative until a minimum is reached at iron-56, iron-58 and nickel-62, then increases to positive values in the heavy isotopes, with increasing atomic number. Noun Phrase Also, the mass of a proton is assigned 1 atomic mass unit (amu) for convenience. Lists. True or False: An atom in an element weighs 1.67 10^-24 its atomic mass unit(amu) then divided by its atomic mass unit(amu) True. Noun Phrase Isotopes are alternative “versions” of elements that have a different atomic mass but the same atomic number. Noun Phrase Use a periodic table to find the atomic mass units for each element. Molar Mass. m. Search over 14 million words and phrases in more than 490 language pairs. Sentences with mass-unit . Answer (1 of 2): The atomic mass unit, or amu, is the mass of one atom of a particular isotope (a more general synonym for isotope is nuclide). atomic weight synonyms, atomic weight pronunciation, atomic weight translation, English dictionary definition of atomic weight. Relative atomic mass (symbol: A r) or atomic weight is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant.The atomic mass constant (symbol: m u) is defined as being 1 / 12 of the mass of a carbon-12 atom. Learn more. ['ˈjuːnət, ˈjuːnɪt'] an individual or group or structure or other entity regarded as a structural or functional constituent of a whole. 1. Mass of one mole of a substance in grams. Sentences with atomic-mass-unit . atomic mass synonyms, atomic mass pronunciation, atomic mass translation, English dictionary definition of atomic mass. One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant isotope of carbon. The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. Find 4 ways to say ATOMIC MASS, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. The amu is an older unit, and has been replaced by the unified atomic mass unit. 3. ['ˈnʌmbɝ'] the property possessed by a sum or total or indefinite quantity of units or individuals. amu A unit of mass equal to 1/12 the mass of the most abundant isotope of carbon, carbon-12, which is assigned a mass of 12. Answer (1 of 2): Exactly it is 1.007316 u. amu= atomic mass unit u= unified mass unit.u is the mass of one nucleon (either proton or neutron) It was used to express atomic mass in terms of units of 1/16 mass of oxygen But their occur divergence due to presence of isotopes . atomic mass unit - WordReference English dictionary, questions, discussion and forums. Noun Phrase Next to it is another number, which is the atomic mass. I can say so because according to mole concept 1 mole(6.022*10^23) of atoms of any pure substance is equal to its atomic mass in grams, if we take case of hydrogen( it's atomic mass unit is 1) Mass of 1 hydrogen atom*6.022*10^23=1 gram. Analyzing … 4. atomic mass 意味, 定義, atomic mass は何か: 1. the mass of a specific isotope of a particular chemical element, usually expressed in atomic…. Antonyms for mass unit. The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. Abbreviation: amu, AMU. 1. mass of a single atom. 1. A unit of mass equal to 1 / 12 the mass of an atom of the most common isotope of carbon (carbon 12), which is assigned a mass of 12 and has a value of 1.660 × 10 &spminus;24 grams. Look it up now! n. relative atomic mass. The number of neutrons. See more. Atomic mass units synonyms, Atomic mass units pronunciation, Atomic mass units translation, English dictionary definition of Atomic mass units. Therefore 6.022*10^23 atomic mass unit =1gram [>>>] ~[ ⇑] The same thing as molecular weight. Relative atomic mass (Atomic weight) was originally defined relative to that of the lightest element, hydrogen, which was taken as 1.00, and in the 1820s, Prout's hypothesisstated that atomic masses of all elements would prove to be exact multiples of that of hydrogen. The same concept can be extended to ionic compounds and molecules. Atomic mass unit. Wiktionary (4.75 / 4 votes) Rate these synonyms: ‘The mass standard in the atomic world is set by one atom of the element carbon, which is defined to be 12 atomic mass units.’ ‘A Dalton, also known as an atomic mass unit, is roughly the mass of a single proton or neutron.’ ‘At the other end, an atomic mass unit equals 1.66 yoctograms.’ GAMES & QUIZZES THESAURUS WORD OF THE DAY FEATURES; SHOP Buying Guide M-W Books . atomic mass unit ( plural atomic mass units ) ( chemistry) A unit of mass equal to 1/12 the mass of an atom of the 12 C isotope of carbon. One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant isotope of carbon. … Noun Phrase Dictionary Thesaurus Define atomic mass. n. Abbr. Gene Nygaard 21:01, 23 September 2005 (UTC) How come only biological sciences use the Dalton unit? (formerly) a unit of mass, equal to 1 ⁄ 16 the mass of an oxygen atom having atomic mass 16. That's where the first word in the officially recognized name of this unit comes from: unified atomic mass unit, with the symbol u, is the only way this is recognized as "acceptable for use with SI". Learn more. ic mass unit This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term atomic mass unit . At the other end, an atomic mass unit equals 1.66 yoctograms. The first scientists to determine relative atomic masses were John Dalton and Thomas Thomson between 1803 and 1805 and Jöns Jakob Berzelius between 1808 and 1826. The definitions are as follows: † Definition 1: TheDalton (Da) and the unified atomic mass unit (u) are alternative names (and symbols) for the same Also called: dalton. Thus, since the atomic mass of iron is 55.847 amu, one mole of iron atoms would weigh 55.847 grams. Atomic mass unit definition: a unit of mass used to express atomic and molecular weights that is equal to one twelfth... | Meaning, pronunciation, translations and examples n. The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is … atomic mass unit A unit in mass spectrometry that represents the relative scale, in which the mass of 1H is given an integral value of 1, 12C is 12, and so on. By definition, an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu. atomic mass unit meaning: 1. a unit used for measuring atomic mass, equal to one twelfth of the mass of an atom of carbon in…. Listen to the audio pronunciation in English. Atomic mass unit (amu) synonyms, Atomic mass unit (amu) pronunciation, Atomic mass unit (amu) translation, English dictionary definition of Atomic mass unit (amu). n. Abbr. definitions. Abbreviation: at. Atomic mass unit (amu) synonyms, Atomic mass unit (amu) pronunciation, Atomic mass unit (amu) translation, English dictionary definition of Atomic mass unit (amu). n. The mass of an atom, usually expressed in atomic mass units. This corresponds to the following: nuclear fission in an element heavier than iron … Atomic mass units, or amu, are also used to measure atomic masses, and they are equal to daltons. Examples of Atomic Mass. It consists of two protons and two neutrons. Because protons and neutrons are approximately the same size, the atomic mass of a helium atom is four daltons. Let's look at a larger atom. Barium has an atomic mass of 137 daltons. This includes 56 protons and 81 neutrons. The study recommended that professional development initiatives need to be organised with a focus on the updated definition of the mole and the key role of the unified atomic mass unit as the mass scale for microscopic entities in the understanding of the link between relative atomic/formula mass and molar mass. The amu is an older unit, and has been replaced by the unified atomic mass unit. The mass of an atom can be accounted for by the sum of the mass of protons and neutrons which is almost equal to the atomic mass. Noun Phrase Locate the atomic number of the gold atom from the periodic table of elements. As electrons are very light in weight, so, the mass of a carbon-12 isotope is composed of 6 neutrons and 6 protons. Also called: unified atomic mass unit, dalton. Dictionary Thesaurus 9 words related to mass unit: unit, unit of measurement, atomic mass unit, mass number, nucleon number, avoirdupois unit, metric weight unit, weight unit, slug. The meaning of ATOMIC MASS UNIT is a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to 1/12 the mass of a single atom of the most abundant carbon isotope 12C —called also dalton. n. Abbr. Other units are used in SI:tonne (t), electronvolt (eV), and the atomic mass unit (u). Similar words for Mass Number. n. mass of an atom. 2 * 10^-23 g. Atomic mass unit of carbon. Antonyms for atomic mass unit. … Learn more in the Cambridge English-Polish Dictionary. 1 word related to atomic mass unit: mass unit. Sentences with atomic-mass . Learn more. Atomic mass unit. 1. Synonyms for atomic mass unit in Free Thesaurus. 97 examples: Heavy hydrogen could be separated from the ordinary hydrogen isotopes of atomic… Translation for: 'atomic mass unit' in English->Tamil dictionary. n. constant. Dalton (unit) synonyms, Dalton (unit) pronunciation, Dalton (unit) translation, English dictionary definition of Dalton (unit). thesaurus. How to say atomic mass unit. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. Noun Phrase Aluminum, used in the previous example, is a pure element so establish its atomic mass. atomic mass unit definition: 1. a unit used for measuring atomic mass, equal to one twelfth of the mass of an atom of carbon in…. amu A unit of mass equal to 1/12 the mass of the most abundant isotope of carbon, carbon-12, which is assigned a mass of 12. British chemist whose pioneering work on the properties of the atmosphere and gases led him to formulate the atomic theory.