Relative isotopic mass,英文定义如下: The relative isotopic mass of an atom is the ratio of its atomic mass to the atomic mass of a reference isotope of the same element. It is used to account for the different masses of atoms that have different isotopes....
1 The relative atomic mass of an element is always D A the mass of an atom of the element relative to z the mass of a carbon-12 atom. B the mass of an atom of the element relative to the mass of a hydrogen atom.□ C the weighted mean mass of an atom of the element relative ...
15 The relative atomic mass of an element is determined using a mass spectrometer.(a)Define the term relative atomic mass.(2)Average/mean mass of an atom/ isotopes (1/ 12mass of an atom of) carbon-12(b)The mass spectrum of rubidium is shown below.8070一60-50-Relative40abundance30-20...
relative atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units atomic mass, atomic weight mass - the property of a body that causes it to have weight in a gravitational field combining weight, eq, equivalent weight, equivalent - the atomic weight...
relativeatomicmass网页 图片 视频 学术 词典 航班 relative atomic mass 美 英 n.相对原子质量 复数:relative atomic masses 英英 网络释义 n. 1. the mass of an atom of a particular chemical element 隐私声明 法律声明 广告 反馈 © 2024 Microsoft...
(redirected from relative atomic masses)Also found in: Dictionary, Thesaurus. relative atomic mass the ratio of the average mass per atom of the naturally occurring form of an element to one-twelfth the mass of an atom of carbon-12. Collins Discovery Encyclopedia, 1st edition © Harper...
3 CHEMISTRY-RELATIVE ATOMIC MASS the mass of a hydrogen atom 1/1H is equal to 1/12 of the mass of a carbon-12 atom, so its relative isotopic mass is 1.A magnesium atom 24/12Mg is twice as heavy as a carbon-12 atom,so its relative isotopic mass is 24 再给另一个例子 不要用英文...
Relative atomic mass is a dimensionless physical quantity, the ratio of the average mass of atoms of an element (from a single given sample or source) to12of the mass of an atom of carbon-12 (known as the unified atomic mass unit). ...
22 Table 1 shows the relative atomic mass of elements W and X.Jadual 1 menunjukkan jisim atom relative bagi unsur W dan unsur X.Element Relative atomic mass Unsur Jisim atom relatif Table 1W48Jadual 1X16Which of the following is true about the atoms of elements W and X?Antara ...