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Related to mass unit:atomic mass unit,Mass formula ThesaurusAntonymsRelated WordsSynonymsLegend: Switch tonew thesaurus Noun1. mass unit- a unit of measurement for mass unit,unit of measurement- any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United...
FIELD: chemistry.;SUBSTANCE: method of controlling mass ratio of uranium-235 isotope in gaseous uranium hexafluoride involves desublimation of gaseous uranium hexafluoride in a measuring chamber by lowering temperature of the base of the chamber, determination of gamma-ray intensity of the uranium-235 ...
Justin teaches college chemistry and has Bachelor and Doctorate degrees in chemistry. Cite this lesson In this lesson, we discuss how to determine the chemical formula for a molecule from its mass spectrum when we know the precise mass of its molecular ion. Create an account Table of Conte...
4 grams per cubic centimeter C. 6 grams per cubic centimeter D. 3 grams per cubic centimeter 相关知识点: 试题来源: 解析 A。本题考查对密度公式的理解以及英语表达。密度等于质量除以体积,50 克除以 10 立方厘米等于 5 克每立方厘米,所以选 A。B、C、D 选项的数值错误。反馈 收藏 ...
A related term you should know is relative formula mass (relative formula weight). This simply means the calculation is performed using relative atomic weight values for the elements, which are based on the natural isotopic ratio of elements found in Earth's atmosphere and crust. Because relative...
formulas formulas chemistry formulas atomic mass formula atomic mass formula atomic mass in an atom or group of an atom is the sum of the masses of protons, neutrons and electrons. the electrons have very less mass in comparison to protons or neutrons so the mass of electrons is not ...
in chemistry, the molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles. the molar mass of a particular gas is equal to the mass of a single particle of that gas multiplied by avogadro...