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...
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 ...
The relative atomic mass of an element is defined as the weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12. From: Newnes Engineering and Physical Science Pocket Book, 1993 About this pageSet alert ...
aThe masses of atoms and molecules are characterized by using quantities known as the relative atomic mass of an element (the atomic mass in short) and the relative molecular mass of a substance (the molecular mass ) 原子和分子大量描绘的是为使用数量以元素(原子质量的原子量简而言之)和物质的...
This chapter discusses the relative atomic masses, molecular masses, and the mole concept. The relative atomic mass of an element is defined as the weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12. To calculate the relative atomic mass of chlorine, ...
(chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon 相似短语 relative atomic mass相对原子质量 atomic mass原子量,原子质量 relative atomic weight相对原子量 effective atomic mass有效原子质量 atomic mass unit原子质量单位 ...
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....
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 ...
relative atomic mass 英[ˈrelətiv əˈtɔmik mæs] 美[ˈrɛlətɪv əˈtɑmɪk mæs] 释义 n. 原子量 英英释义 Noun 1. (chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon-12...
What mass of sodium metal contains the same number of atoms as 12 gram of carbon-12? How to calculate the relative atomic mass of an element? Atomic mass represents What is the atomic mass number of carbon-13? What is the atomic mass of iodine?