Unified atomic mass unit/Definition: Difference between revisions
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imported>Derek Hodges (New page: <noinclude>{{Subpages}}</noinclude> A unit of atomic and molecular mass.) |
imported>John R. Brews (more specific definition) |
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A unit of atomic and molecular mass. | A unit of atomic and molecular mass, the ratio of atomic mass to one twelfth of the mass of carbon <sup>12</sup>C at rest in its nuclear and electronic ground state, approximately 1.660 538 921(73) × 10<sup>−27</sup> kg . | ||
Latest revision as of 11:53, 10 September 2011
A unit of atomic and molecular mass, the ratio of atomic mass to one twelfth of the mass of carbon 12C at rest in its nuclear and electronic ground state, approximately 1.660 538 921(73) × 10−27 kg .