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The unified atomic mass unit u was defined as: Terminology. Atomic mass unit definition, Also called dalton. 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. definitions - Atomic_mass_unit. report a problem. One unified atomic mass unit is approximately the mass of a nucleon and is equivalent to 1 g/mol. It is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 in its nuclear and 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. Atomic Mass Unit or AMU Definition: an atomic mass unit or amu is one twelfth of the mass of an unbound atom of carbon-12. It is a unit of mass used to express atomic masses and molecular masses. (plural atomic mass units). (chemistry) A unit of mass equal to 1/12 the mass of an atom of the 12C isotope of carbon. Definition: an atomic mass unit or amu is one twelfth of the mass of an unbound atom of carbon-12. atomic mass unit definition - A Unit of mass measurement for atoms and molecules. The unit has been arbitrarily defined as 1/12 the mass of an atom of carbon-12, the most common isotope of ... Definition of ATOMIC MASS UNIT: The standard unit (marked with symbol "u") which indicates the mass on the atomic or molecular scale. It is defined as one twelfth of the mass of neutral a. Информация взята v3.kz |
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