The atomic weight of an atom, or the molecular weight of a molecule, is its mass relative to that ofa___ atom. This is essentially equal to the number of protons plus neutrons that the atom or molecule contains. A oxygen B hydrogen C helium D carbon 相关知识点: 试题来源: 解析 B ...
Related to atomic weight:molecular weight atomic weight,mean (weighted average) of the masses of all the naturally occurringisotopesof a chemicalelement, as contrasted withatomic mass, which is the mass of any individual isotope. Although the first atomic weights were calculated at the beginning of...
Weight Versus Mass: Atoms and More Massis a measure of the quantity of a substance, whileweightis a measure of how a mass acts in a gravitational field. On Earth, where we are exposed to a fairly constant acceleration due to gravity, we don't pay much attention to the difference between...
Similarly, the number of protons and neutrons are associated with the atomic number and mass number of the atom. Recommended Videos Introduction to Atomic and Molecular Weight 12,289 The Periodic Table 29,758 Let’s look at the difference between the two terms. What is Atomic Number? The ...
The atomic weight of calcium and molecular weight of limedoi:10.1016/S0016-0032(12)91210-7ELSEVIERJournal of the Franklin Institute
The atomic weight of an atom, or the molecular weight of a molecule, is its mass relative to that of a(n) ___ atom. This is essentially equal to the number of protons plus neutrons that the atom or molecule contains.的答案是什么.用刷刷题APP,拍照搜索
What is the difference between atomic mass and atomic weight? Difference between relative atomic mass and atomic mass Is atomic mass the same as atomic number? An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom?
Molecular weight and atomic weight Atomic weight is useful for determining a substance’s molecular weight—the average combined weight of a molecule’s individual atoms. Like atomic weight, molecular weight is an averaged weight, based on the relative abundance of each atom’s isotopes. Let’s ...
What is the difference between weighing by difference and absolute weight? Which is commonly used in analysis and why? From the numbers determined by Millikan, what was the value of the charge-to-mass ratio, e/m, in units of ...
is the ratio of the average mass of an element's atoms to some standard. Although the termsatomic weightandatomic massare used interchangeably, they have different meanings. Atomic weight implies a force exerted in a gravitational field, while mass doesn't. Specifically, the atomic weight of an...