Question

What ia value of Dalton(u)​

Answer 1

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The unified atomic mass unit or dalton (SI symbols: u, or Da; Deprecated/colloquial symbol: amu) is a standard unit of mass that quantifies 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 effectively numerically equivalent to 1 g/mol.[1] 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 at rest,[2] and has a value approaching 1.66053906660(50)×10−27 kg,[3] or approximately 1.66 yoctograms.[4] 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.[2]

Unified mass unit

(Dalton)Unit systemPhysical constant

(Accepted for use with the SI)Unit ofmassSymbolu or Da Named afterJohn DaltonConversions1 u or Da in ...... is equal to ...   kg   1.66053906660(50)×10−27   MeV/c2   931.4940954(57)   me   1822.888486192(53)......

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Answer 2

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