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- Atomic_mass_unit abstract "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 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 electronic ground state, and has a value of 1.660538921(73)×10−27 kg. The CIPM has categorised it as a non-SI unit accepted for use with the SI, and whose value in SI units must be obtained experimentally.The amu without the "unified" prefix is technically an obsolete unit based on oxygen, which was replaced in 1961. However, some sources still use the amu but now define it in the same way as u (based on carbon-12). In this sense, most uses of atomic mass units or amu today actually refer to unified atomic mass units or u. For standardization a specific atomic nucleus (carbon-12 vs. oxygen-16) had to be chosen because average mass of a nucleon depends on the count of the nucleons in the atomic nucleus due to mass defect. This is also why the mass of a proton (or neutron) by itself is more than (and not equal to) 1 u.Atomic mass unit does not stand for the unit of mass in the atomic units system, which is rather me.".
- Atomic_mass_unit wikiPageExternalLink atomic_mass_unit.htm.
- Atomic_mass_unit wikiPageID "42445".
- Atomic_mass_unit wikiPageRevisionID "600115938".
- Atomic_mass_unit hasPhotoCollection Atomic_mass_unit.
- Atomic_mass_unit inunits "1822.88839".
- Atomic_mass_unit name "or dalton".
- Atomic_mass_unit name "unified atomic mass unit".
- Atomic_mass_unit namedafter John_Dalton.
- Atomic_mass_unit quantity Mass.
- Atomic_mass_unit standard Physical_constant.
- Atomic_mass_unit symbol "u or Da".
- Atomic_mass_unit units Planck_mass.
- Atomic_mass_unit units "eV/c2".
- Atomic_mass_unit units "kg".
- Atomic_mass_unit units "me".
- Atomic_mass_unit subject Category:Metrology.
- Atomic_mass_unit subject Category:Nuclear_chemistry.
- Atomic_mass_unit subject Category:Units_of_chemical_measurement.
- Atomic_mass_unit subject Category:Units_of_mass.
- Atomic_mass_unit comment "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 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 electronic ground state, and has a value of 1.660538921(73)×10−27 kg.".
- Atomic_mass_unit label "Atomaire massa-eenheid".
- Atomic_mass_unit label "Atomare Masseneinheit".
- Atomic_mass_unit label "Atomic mass unit".
- Atomic_mass_unit label "Jednostka masy atomowej".
- Atomic_mass_unit label "Unidad de masa atómica".
- Atomic_mass_unit label "Unidade de massa atômica".
- Atomic_mass_unit label "Unità di massa atomica".
- Atomic_mass_unit label "Unité de masse atomique unifiée".
- Atomic_mass_unit label "Атомная единица массы".
- Atomic_mass_unit label "وحدة كتل ذرية".
- Atomic_mass_unit label "原子质量单位".
- Atomic_mass_unit label "統一原子質量単位".
- Atomic_mass_unit sameAs Atomová_hmotnostní_konstanta.
- Atomic_mass_unit sameAs Atomare_Masseneinheit.
- Atomic_mass_unit sameAs Ατομική_μονάδα_μάζας.
- Atomic_mass_unit sameAs Unidad_de_masa_atómica.
- Atomic_mass_unit sameAs Unité_de_masse_atomique_unifiée.
- Atomic_mass_unit sameAs Satuan_massa_atom.
- Atomic_mass_unit sameAs Unità_di_massa_atomica.
- Atomic_mass_unit sameAs 統一原子質量単位.
- Atomic_mass_unit sameAs 원자_질량_단위.
- Atomic_mass_unit sameAs Atomaire_massa-eenheid.
- Atomic_mass_unit sameAs Jednostka_masy_atomowej.
- Atomic_mass_unit sameAs Unidade_de_massa_atômica.
- Atomic_mass_unit sameAs m.0bn2l.
- Atomic_mass_unit sameAs Q483261.
- Atomic_mass_unit sameAs Q483261.
- Atomic_mass_unit wasDerivedFrom Atomic_mass_unit?oldid=600115938.
- Atomic_mass_unit isPrimaryTopicOf Atomic_mass_unit.