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 phrases. By definition, an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu. the mass of an atom usually expressed in atomic mass units; also : atomic weight… See the full definition. 1 word related to atomic mass unit: mass unit. 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. 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…. Collins English Dictionary. Antonyms for Atomic mass units. Based on this information, in addition to the known relative atomic mass and elemental charge, the atomic mass unit could be established. 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. 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. n. mass of an atom. atomic mass unit pronunciation. Sentences with atomic-mass . 1 atomic mass unit is equal to 1/6.022*10^23. 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. 1. 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. n. constant. The number of neutrons. 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. By definition, an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu. Abbreviation: amu, AMU. atomic mass unit anlam, tanım, atomic mass unit nedir: 1. a unit used for measuring atomic mass, equal to one twelfth of the mass of an atom of carbon in…. antonyms. 4. m. the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1 ⁄ 16 the mass of one oxygen atom, but after 1961 based on 1 ⁄ 12 the mass of the carbon-12 atom. 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. Protons and neutrons have masses of approximately 1 atomic mass unit each, whereas electrons only have a mass of.0006 amu. atomic mass unit in American English. ‘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.’ 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 amu is an older unit, and has been replaced by the unified atomic mass unit. mass of a single atom. n. Abbr. Noun. The largest protein known, titin weighs in at 3 million atomic mass units, or 3 million times the weight of a hydrogen atom. 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…. 2 * 10^-23 g. Atomic mass unit of carbon. What are synonyms for atomic mass unit? 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. n. Abbr. Atomic mass unit. examples. 2. The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. 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". Other units are used in SI:tonne (t), electronvolt (eV), and the atomic mass unit (u). An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. 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. Dalton definition, atomic mass unit. 1 atom of carbon weighs. Sentences with atomic-mass-unit . a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. noun. definitions. 2. Answer: A property closely related to an atom's mass number is its atomic mass. 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. ['ˈjuːnət, ˈjuːnɪt'] an individual or group or structure or other entity regarded as a structural or functional constituent of a whole. Proteins in the stretch: tugging at single molecules reveals their secrets But this element has an atomic mass that is more than 200 atomic mass Units (amu). Mass of one mole of a substance in grams. Lists. Listen to the audio pronunciation in English. 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. 10-24 g or one-twelfth of the mass of a carbon atom. Search over 14 million words and phrases in more than 490 language pairs. Therefore 6.022*10^23 atomic mass unit =1gram Noun Phrase The atomic mass of Copper is 63.55 atomic mass units. The amu is an older unit, and has been replaced by the unified atomic mass unit. Learn more. The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale ( atomic mass).One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol.It is defined as one twelfth of the mass of an unbound neutral atom of … 97 examples: Heavy hydrogen could be separated from the ordinary hydrogen isotopes of atomic… When a neutron is added, hydrogen's atomic mass rises to two, yielding deuterium, in isotope which is necessary for the manufacture of the hydrogen bomb. As electrons are very light in weight, so, the mass of a carbon-12 isotope is composed of 6 neutrons and 6 protons. Noun Phrase Locate the atomic number of the gold atom from the periodic table of elements. Translation for: 'atomic mass unit' in English->English dictionary. Synonym for Atomic mass unit. Learn more in the Cambridge English-Polish Dictionary. Atomic mass unit definition, a unit of mass, equal to 1/12 (0.0833) the mass of the carbon-12 atom and used to express the mass of atomic and subatomic particles. Chemistry. Also called: unified atomic mass unit, dalton. Noun Phrase Use a periodic table to find the atomic mass units for each element. 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. The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu. 1 word related to atomic mass unit: mass unit. The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. See more. n. Abbr. See more. atomic mass unit synonyms, atomic mass unit pronunciation, atomic mass unit translation, English dictionary definition of atomic mass unit. 3. Noun Phrase Next to it is another number, which is the atomic mass. ['ˈnʌmbɝ'] the property possessed by a sum or total or indefinite quantity of units or individuals. Atomic mass unit. One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant isotope of carbon. Atomic mass units synonyms, Atomic mass units pronunciation, Atomic mass units translation, English dictionary definition of Atomic mass units. n. relative atomic mass. Atomic mass definition: the mass of an isotope of an element in atomic mass units | Meaning, pronunciation, translations and examples What are synonyms for mass unit? 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. Antonyms for Unified atomic mass unit. 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. Atomic mass definition: the mass of an isotope of an element in atomic mass units | Meaning, pronunciation, translations and examples … The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu. 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. Of this amount, 30 atomic mass units (40% of the total) will be lost during decomposition while the other 60% will remain. The meaning of ATOMIC MASS is the mass of an atom usually expressed in atomic mass units; also : atomic weight. Atomic mass unit. Search over 14 million words and phrases in more than 490 language pairs. ‘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.’ 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 In this case, carbon has an atomic weight of 12.0 atomic mass units (amu). noun Physics. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. … The same concept can be extended to ionic compounds and molecules. 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. 4. 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. 2. n. Abbr. n. Abbr. Look it up now! Learn more. n. The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is … atomic mass unit translations: jednostka masyatomowej. Abbreviation: amu. a unit of mass, equal to 1 ⁄ 12 the mass of the carbon-12 atom and used to express the mass of atomic and subatomic particles. 1 amu = 1.66 ×10 −24 g A property closely related to an atom's mass number is its atomic mass. 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. 1 word related to atomic mass unit: mass unit. A unit of mass equal to112 the mass of the most abundant isotope of carbon, carbon-12, which is assigned a mass of 12. 1. (formerly) a unit of mass, equal to 1 ⁄ 16 the mass of an oxygen atom having atomic mass 16. 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. 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. True or False: Atomic mass of an element is the molar mass of the element. Atomic mass units, or amu, are also used to measure atomic masses, and they are equal to daltons. atomic mass unit - WordReference English dictionary, questions, discussion and forums. Dictionary Thesaurus The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. Examples of atomic mass in a sentence, how to use it. See more. Abbreviation: at. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. Also called: dalton. 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). Noun Phrase Aluminum, used in the previous example, is a pure element so establish its atomic mass. Learn more. 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…. Atomic Mass synonyms - 9 Words and Phrases for Atomic Mass. 3. Atomic mass definition, the mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1/16 (0.0625) the mass of one oxygen atom, but after 1961 based on 1/12 (0.0833) the mass of the carbon-12 atom. 1. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. Atomic mass unit. Atomic mass unit. Define atomic mass unit. A unit of energy equal to the energy equivalent of a mass of 10-3 atomic mass unit according to the Einstein mass-energy relation, that is, to the product of 10-3 atomic mass unit and the square of the speed of light; equal to approximately 1.49176 × 10-13 joule. 4. 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. One atomic mass unit is equal to 1/12 of the mass of a single C12 or carbon-12 atom with a value of 1.660 539 066 60 (50) × 10 −27 kg. 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. Since both quantities in the ratio are masses, the resulting value is … † The current definitions of the atomic mass unit and of the mole, officially adopted in 1961 and 1971, respectively, are the primary sources of confusion. 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. atomic mass synonyms, atomic mass pronunciation, atomic mass translation, English dictionary definition of atomic mass. 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. Sentences with atomic-number . The SI unit is the dalton. Wiktionary (4.75 / 4 votes) Rate these synonyms: A unit of mass equal to112 the mass of the most abundant isotope of carbon, carbon-12, which is assigned a mass of 12. Atomic Unit synonyms, Atomic Unit pronunciation, Atomic Unit translation, English dictionary definition of Atomic Unit. The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant isotope of carbon. Translation for: 'atomic mass unit' in English->Tamil dictionary. 2. Noun Phrase (Another name for the number Z is the atomic number.) thesaurus. This small change is due to the binding energy mass loss. Similar words for Mass Number. How to say atomic mass unit. Dalton (unit) synonyms, Dalton (unit) pronunciation, Dalton (unit) translation, English dictionary definition of Dalton (unit). One atomic mass unit is defined as exactly of the mass of an atom of the nuclide 12 C, the predominant 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. GAMES & QUIZZES THESAURUS WORD OF THE DAY FEATURES; SHOP Buying Guide M-W Books . ic mass unit This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term atomic mass unit . Define atomic mass. Molar Mass. Synonyms for Atomic Mass Unit (other words and phrases for Atomic Mass Unit). Gene Nygaard 21:01, 23 September 2005 (UTC) How come only biological sciences use the Dalton unit? Noun Phrase The number of electrons is the same as the element's atomic number. By doing some simple math we can see that the total mass of the silicone repeating unit is 74 atomic mass units. 1. Daha fazlasını öğren. The amu is an older unit, and has been replaced by the unified atomic mass unit. Noun Phrase It is defined as 1/12th the mass of one carbon-12 atom. The "unified atomic mass unit" is a physical constant that is accepted for use in the SI measurement system. Synonyms for mass unit in Free Thesaurus. Berzelius, however, soon proved that this was no… The definitions are as follows: † Definition 1: TheDalton (Da) and the unified atomic mass unit (u) are alternative names (and symbols) for the same The amu is the same number as … Definition: noun. It is equivalent to 1.66 × 10 –27 kg. 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. 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 … Antonyms for mass unit. 3. A hydrogen atom has a mass of 1 atomic mass unit since its mass is 1 / 12 the mass of carbon 12. 2. unit . … Log in. [>>>] ~[ ⇑] The same thing as molecular weight. Noun Phrase Isotopes are alternative “versions” of elements that have a different atomic mass but the same atomic number. Learn more. n. Abbr. atomic weight. An arbitrarily defined unit in terms of which the masses of individual atoms are expressed. The amu is an older unit, and has been replaced by the unified atomic mass unit. 1) The mass of one formula unit of a substance in atomic mass unit s. The formula weight is a synonym of molar mass that is frequently used for non-molecular compounds, such as ionic salts. At the other end, an atomic mass unit equals 1.66 yoctograms. 1. 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). The unit, also known as the dalton, is often abbreviated amu, and is designated by the symbol u. The atomic mass is equal to: A. The two definitions are not equivalent, because the mass of one atom of carbon-12 is not equal to the mass of 12 protons (or even of 6 protons plus 6 neutrons). Dictionary Thesaurus Antonyms for atomic mass unit. This corresponds to the following: nuclear fission in an element heavier than iron … 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. All Free. What are synonyms for Atomic mass units? In chemistry there is rarely a unit. SINCE 1828. Synonyms for Atomic mass units in Free Thesaurus. The amu is an older unit, and has been replaced by the unified atomic mass unit. Search unified atomic mass unit and thousands of other words in English definition and synonym dictionary from Reverso. 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. Synonyms for atomic mass unit in Free Thesaurus. 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…. Atomic mass units, or amu, are also used to measure atomic masses, and they are equal to daltons. Atomic mass unit (amu) synonyms, Atomic mass unit (amu) pronunciation, Atomic mass unit (amu) translation, English dictionary definition of Atomic mass unit (amu). Atomic mass unit (amu) synonyms, Atomic mass unit (amu) pronunciation, Atomic mass unit (amu) translation, English dictionary definition of Atomic mass unit (amu). 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 . (Units) a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66 × 10 –27 kg. Abbreviation: amu Also called: unified atomic mass unit or dalton noun. n. The mass of an atom, usually expressed in atomic mass units. For example, the mass of a carbon-12 atom equaled to12 amu. Define atomic weight. At the other end, an atomic mass unit equals 1.66 yoctograms. synonyms. Learn more. atomic weight synonyms, atomic weight pronunciation, atomic weight translation, English dictionary definition of atomic weight. Thus, since the atomic mass of iron is 55.847 amu, one mole of iron atoms would weigh 55.847 grams. Noun Phrase It has an atomic number of 79 and an atomic mass of 197.0 12.011. 1 other term for atomic mass unit- words and phrases with similar meaning. もっと見る Unified atomic mass unit definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. 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…. 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 British chemist whose pioneering work on the properties of the atmosphere and gases led him to formulate the atomic theory. Noun Phrase Also, the mass of a proton is assigned 1 atomic mass unit (amu) for convenience. Synonyms for Unified atomic mass unit in Free Thesaurus. Sentences with mass-unit . Medical Definition of atomic mass unit : 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 WORD OF THE DAY