[DOC] [TLE] What is atomic mass unit (AMU or amu)? - Definition from WhatIs.com [PAR]  [DOC] [TLE] What is atomic mass unit (AMU or amu)? - Definition from WhatIs.com [PAR] An atomic mass unit (symbolized AMU or amu) is defined as precisely 1/12 the mass of an atom of carbon-12. The carbon-12 (C-12) atom has six protons and six neutrons in its nucleus. In imprecise terms, one AMU is the average of the proton rest mass and the neutron rest mass. [DOC] [TLE] Atomic mass - Wikipedia [PAR] The atomic mass (ma) is the mass of an atomic particle, sub-atomic particle, or 
molecule. It is commonly expressed in unified atomic mass units (u) where by 
international agreement, 1 unified atomic mass unit is defined as 1/12 of the 
mass of a single carbon-12 atom .... For non-mononuclidic elements that have 
more than one common isotope,... [DOC] [TLE] Why do we take 1/12 mass of a carbon atom instead of the mass of ... [PAR] Thanks for the A2A! I assume you mean as the definition of an atomic unit. Since 
protons and ... Carbon-12 is the most common and readily available isotope to 
have exactly the same ... If we consider that 1/6, in place of 1/12, mass of carbon 
atom is taken to be as relative atomic mass unit, the mass of one mole of the 
substa. [DOC] [TLE] Nucleons and Isotopes Homework [PAR] _____1) One atomic mass unit is defined as weighing a) 1/16 the mass of O-16 b
) 1/12 the mass of C-12 c) 1/32 the mass of S-32 d) 1/10 ... 42. 20Ca. 56. 26Fe. 
232. 92U. C) Find the most common isotope for each of the following elements:... [DOC] [TLE] Atomic mass unit - Dictionary.com [PAR] Atomic mass unit definition, Also called dalton. a unit of mass, equal to 1/12 ... 
weights that is equal to one twelfth of the mass of an atom of carbon-12. ... the 
most common isotope of carbon (carbon 12), which is assigned a mass of 12 and 
has... [DOC] [TLE] genchem [PAR] Six most abundant: SPONCH. How do the atoms of one element differ from the 
atoms of another element? - Atomic ... Equals the number of protons 2. ... AMU 2. 
Also called a dalton (dal) 3. Approximate mass of a proton or a neutron 4. 1/12 
the mass of carbon-12 (12C) ... Some emit radiation and are called radioisotopes 
7. [DOC] [TLE] The atomic mass of an element is the - East Aurora Union Free School [PAR] One amu is 1/12 the mass of the standard C-12 atom. Since most elements occur 
as a mixture of isotopes, their atomic masses are decimal or fractional. ... Isotopes 
are atoms with the same atomic number but ... The positive charge of a nucleus is 
equal to its atomic number. Electron ..... O (1) its two most abundant isotopes. [DOC] [TLE] Atomic Mass Unit (AMU): Definition, Standard & Conversion | Study ... [PAR] ... and Applied Chemistry (IUPAC), 1 atomic mass unit is defined as 1/12 the 
mass ... An isotope is two or more elements with the same number of protons (
atomic ... in atomic mass units, how do we get from atomic mass units to a more 
common ... According to the Royal Society of Chemistry, one atomic mass unit is 
equal to... [DOC] [TLE] What is 1/12 the mass of a carbon-12 atom? | Reference.com [PAR] The atomic mass unit, or amu, is 1/12 the mass of one atom of carbon-12. An 
atomic mass unit ... Hydrogen, the lightest element, has an average mass of 
1.00794 amu. A carbon-12 atom is ... Learn more about Atoms & Molecules. 
Sources:. [DOC] [TLE] How is an atomic mass unit defined? | Reference.com [PAR] An atomic mass unit is defined as being equal to 1/12th the mass of an atom of ... 
What is 1/12 the mass of a carbon-12 atom? ... To calculate the atomic mass of an 
element, the mass of all of its isotopes

Question: One atomic mass unit equals 1/12 the mass of an atom of the most common isotope of this element
Answer: carbon