atomic mass

例句 (20)

• The atomic mass of an element is the average mass of its atoms.一种元素的原子质量是其原子的平均质量。
• The periodic table lists the atomic mass of each element.元素周期表列出了每个元素的原子质量。
• Do you know the atomic mass of carbon?
• Scientists use spectroscopy to determine the atomic mass of isotopes.你知道碳的原子质量吗？
• Students in chemistry class learned to calculate the atomic mass of an isotope.科学家利用光谱学来测定同位素的原子质量。
• Understanding atomic mass is fundamental to stoichiometry.
• You can find the atomic mass listed on the periodic table for each element.化学课上的学生学习了如何计算同位素的原子质量。
• The atomic mass unit (amu) is used to express the mass of atoms.理解原子质量是化学计量学的基础。
• The standard unit for indicating atomic mass is the unified atomic mass unit (u).
• Deuterium has a higher atomic mass than protium.你可以在元素周期表上找到每个元素的原子质量。
• John Dalton was one of the first scientists to propose a table of relative atomic mass.原子质量单位 (amu) 用于表示原子的质量。
• The average atomic mass of an element accounts for its isotopes.
• The atomic mass of helium is significantly less than that of oxygen.表示原子质量的标准单位是统一原子质量单位(u)。
• Calculating the atomic mass involves summing protons, neutrons, and electrons.氘的原子质量高于氕。
• It's important not to confuse atomic mass with the atomic number.
• Early chemists struggled to accurately measure atomic mass.约翰·道尔顿是首批提出相对原子质量表的科学家之一。
• A mass spectrometer is a device used to determine the atomic mass of individual atoms.元素的平均原子质量考虑了其同位素。
• The concept of atomic mass evolved significantly with quantum mechanics.
• The slight difference between the atomic mass and the mass number is due to the mass defect.氦的原子质量远小于氧的原子质量。
• Precise measurements of atomic mass are crucial in nuclear physics.计算原子质量涉及质子、中子和电子的总和。