atomic mass unit (AMU), in physics and chemistry, a unit for expressing masses of atoms, molecules, or subatomic particles . An atomic mass unit is equal to 1/12 the mass of a single atom of carbon-12, the most abundant isotope of carbon, or 1.660538921 × 10 − 24 gram.
11 нояб. 2024 г.
The dalton or unified atomic mass unit is a unit of mass defined as 1/12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ... |
Atomic mass ; Common symbols. ma, m ; SI unit · kilogram (kg) ; Other units. dalton (Da) ; Intensive? yes ; Behaviour under coord transformation. scalar ... Relative isotopic mass · Mass defect · History |
| Дальтон Единица масса |  |
А́томная едини́ца ма́ссы, она же дальто́н, она же углеродная единица — внесистемная единица массы, применяемая для масс молекул, атомов, атомных ядер и элементарных частиц. Атомная единица массы определяется как 1⁄12 массы свободного покоящегося... Википедия
4 авг. 2022 г. · An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of any isotope of any element is ... |
Relative atomic mass is the ratio of the average mass of the atom to the unified atomic mass unit (symbol: u) or dalton (symbol: Da), which is defined as ... |
2 мая 2022 г. · The unified atomic mass unit (u or sometimes a.m.u) is roughly equal to the mass of one proton or neutron: 1 u = 1.66 × 10−27 kg. This value ... |
The atomic mass unit is defined as 1/12 of the mass of a carbon-12 atom, the one containing 6 protons and 6 neutrons in its nucleus. |
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