Atomic mass unit facts for kids
An atomic mass unit is a unit of measurement that is used to measure the mass of atoms. The atomic mass unit (abbreviated: amu or u) is roughly equal to the mass of 1 proton or 1 neutron.
The unified atomic mass unit and the dalton are different names for the same thing. The dalton name is used more over time. The unit is named after John Dalton, an 18th-century naturalist and teacher.
Images for kids
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Jean Perrin in 1926
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Josef Loschmidt
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Ball-and-stick model of the unit cell of silicon. X-ray diffraction measures the cell parameter, a, which is used to calculate a value for the Avogadro constant.
See also
In Spanish: Unidad de masa atómica para niños
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Atomic mass unit Facts for Kids. Kiddle Encyclopedia.