As a first example, we shall examine the hydrogen atom and hydrogen-like atoms. It should be noted that the hydrogen atom is not only an important historical contribution to theoretical chemistry. As we shall see later, a substantial number of the qualitative and quantitative concepts that are ...
【答案】consistsof【核心词汇】molecule 分子;atom 原子【翻译】一个水分子由两个氢原子和一个氧原子组成。【解析】本题考查同义词组转换。根据句意,一个水分子由两个氢原子和一个氧原子组成。makeupof 由...组成,consistof 由...组成,因为主语是A moleculeofwater 一个水分子,所以谓语动词要用第三人称单数形...
所属专辑:一点英语 之 每天一句 音频列表 1 fruitlessly fished for hours 67 2021-01 2 hydrogen atoms ,oxygen atom,molecule 118 2021-01 3 a rabbit in the bush 84 2021-01 4 is equipped with a projector, presentati 85 2021-01 5 To help with revitalization ...
49. A molecule of water is made up of two atoms of hydrogen and one atom of oxygen.(改为同义句) A molecule of water ___ ___ two atoms of hydrogen and one atom of oxygen. 相关知识点: 试题来源: 解析 【答案】consistsof【核心短语/词汇】bemadeupof 由...组成【翻译】一个水分子是由...
Berthollet, Davy,andGayLussacall expressed doubts at one time or another as to whether there really was a singleuniqueacidifyingprinciple. 贝托莱、戴维和盖·吕萨克都曾一度对是否真的存在一种独特的酸化原理表示怀疑。 Davy, in his original work on HCl, suggested that chlorine, being electronegative ...
DOi=1,NmaxcycBuildnewFSolvingFC=SCE′toobtainenergyandPnewP=Pnew The method of solving of generalized eigenvalue problem is the same as what is used in H-F for He atom: zhuanlan.zhihu.com/p/46 And with the classical Coulomb repulsion between two hydrogen nucleus, we have: E=12[∑rs...
Wavefunctions and interaction energies are calculated for the helium-atom-hydrogen-molecule system at a wide range of internuclear separations. Letting X represent the distance measured along a line drawn from the helium nucleus to the midpoint of the hydrogen molecule, R the Hbond distance, and ...
Thehydrogen atomis the simplest and lightest of all the elements. As the molecule, H2, hydrogen is an odourless, colourless gas with adensity one-fourteenth that of air. To condense the molecule to a denser liquid, the temperature must be reduced to 20.3K. When hydrogen is released, it ...
Fig. 1.1. The structure of hydrogen atom. The hydrogen atom can be represented by the symbol H and a dot that stands for the single electron in the neutral atom. In its lowest energy form, the electron occupies the 1s orbital, spherically symmetrical around the hydrogen nucleus. In the sec...
百度试题 结果1 题目Two atoms of hydrogen combine with one atom of o___ to form a molecule of water.相关知识点: 试题来源: 解析 oxygen 反馈 收藏