average atomic mass造句
造句与例句
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- From this information, an average atomic mass can be calculated, and compared to the values measured by Richards.
- When the element contains " N " isotopes, the expression below is applied for the average atomic mass \ overline m _ a:
- For example, a sample of chlorine contains 75.8 % chlorine-35 and 24.2 % chlorine-37, giving an average atomic mass of 35.5 atomic mass units.
- With the discovery of oxygen isotopes in 1929, a situation arose where chemists based their calculations on the average atomic mass ( atomic weight ) of oxygen whereas physicists used the mass of the predominant isotope of oxygen, oxygen-16.
- With the size of the sphere, its average atomic mass, and its atomic spacing known, the required sphere diameter can be calculated with sufficient precision and low uncertainty to enable it to be finish-polished to a target mass of one kilogram.
- The mass number should also not be confused with the relative atomic mass ( also called atomic weight ) of an element, which is the ratio of the average atomic mass of the different isotopes of that element ( weighted by abundance ) to the unified atomic mass unit.
- It's difficult to see average atomic mass in a sentence. 用average atomic mass造句挺难的
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