相对原子质量(relative atomic mass,Ar)是一个元素的一个原子的质量与1/12的碳-12原子质量的比值。相对原子质量
relative atomic mass英语定义 relative atomic mass英语定义:the average mass of all the naturally occurring atoms of a chemical element 相对原子质量英文是Relative Atomic Mass。它代表了一个元素的原子相对于碳-12同位素的质量。相对原子质量可以用来计算化学方程式中的物质的量。
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 of an element that has the same combining capacity as a given weight of another element; the standard is ...
n. 相对原子质量 牛津词典 noun 相对原子质量the average mass of all the naturally occurring atoms of a chemical element
(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...
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 ...
金山词霸_free_fanyi_在线翻译_翻译在线_查词_汉译英词典relative atomic mass 英[ˈrelətiv əˈtɔmik mæs]美[ˈrɛlətɪv əˈtɑmɪk mæs]释义 常用 牛津词典 n. 原子量;拍照翻译 语音翻译 智能背词 下载金山词霸APP...
atomic mass conversion factor原子质量换算因数 neutron atomic mass中子原子质量 unified atomic mass unit【化】 统一的原子质量单位 relative mass excess相对质量过剩 relative molecular massn. 〈化〉分子量 相似单词 atomica. 1.原子的,原子武器的 2.核的,核能的 ...
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This gave a different set of relative masses for the elements. The inadequacy of oxygen as an arbitary standard led to the selection of the carbon-12 isotope of carbon as the arbitary standard. The relative atomic mass of an element is defined as the weight in grams of the number of ...