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atomic mass unit
(u, dalton)

subject fact

atomic mass unit has symbol u has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:49.0
has equivalent 1.6605402 × 10^-27 kg
has approval agency International Union of Pure and Applied Physics
has synonym dalton
has approval date 1960
has proposal date 1959
is a unit of mass
has definition The masses of atoms and molecules are generally given in atomic mass units. These units are based on a scale in which the mass of carbon 12 is taken to be 12. Atomic masses were originally given as atomic weights on a scale where the mass of the hydrogen atom was unity, later they were based on oxygen or oxygen 16; these scales have all been replaced by the carbon 12 scale. has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:49.0
is an instance of mass unit

unit has historical origin 2001-09-27 09:32:42.0
represents

atomic mass unit	has symbol u
	has equivalent 1.6605402 × 10^-27 kg
	has approval agency International Union of Pure and Applied Physics
	has synonym dalton
	has approval date 1960
	has proposal date 1959
	is a unit of mass
	has definition The masses of atoms and molecules are generally given in atomic mass units. These units are based on a scale in which the mass of carbon 12 is taken to be 12. Atomic masses were originally given as atomic weights on a scale where the mass of the hydrogen atom was unity, later they were based on oxygen or oxygen 16; these scales have all been replaced by the carbon 12 scale.
	is an instance of mass unit
unit	has historical origin
unit	represents