ATOMICMASSUNIT

Atomic mass unit

The unified atomic mass unit or dalton is the standard unit that is used for indicating mass on an atomic or molecular scale . One unified atomic mass unit is approximately the mass of a nucleon and is equivalent to 1g/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 . 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.

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atomic mass unit

Noun

  1. A unit of mass equal to 1/12 the mass of an atom of the 12C isotope of carbon.


The above text is a snippet from Wiktionary: atomic mass unit
and as such is available under the Creative Commons Attribution/Share-Alike License.

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