The antonym of “atom” is ___. A. molecule B. particle C. compound D. element 相关知识点: 试题来源: 解析 C。“atom”意为“原子”,“compound”意为“化合物”,与“atom”相对。“molecule”分子;“particle”粒子;“element”元素,都不是“atom”的反义词。反馈...
The water molecule is___two hydrogen atoms and one oxygen atom.水分子由二个氢原子和一个氧原子构成。(p.19Chemical Structure第3-4行) ▲ make up of常用被动式,意为“由……所组成”。如:①The train was made up of 15 coaches.这列火车有15节车厢。②All living matter is made up of cells...
When an atom or molecule absorbs an X-ray photon, an electron can be ejected. The kinetic energy (KE) of the electron depends upon the photon energy (hν) and the binding energy (BE) of the electron (i.e., the energy required to remove the electron from the surface). By measuring ...
13. The water molecule is___two hydrogen atoms and one oxygen atom. 水分子由二个氢原子和一个氧原子构成。(p.19 Chemical Structure 第3—4行) ▲ make up of常用被动式,意为“由……所组成”。如:1 The train was made up of 15 coaches. 这列火车有15节车厢。2 All living matter is made ...
Nalewajski RF (2006) Mol Phys 104:365, 493, 1977, 2533Nalewajski R.F.: Mol. Phys. 104 , 365 (2006)Nalewajski RF (2006). Mol Phys 104:365Parr RG, Ayers PW, Nalewajski RF (2005) J Phys Chem A 109:3957Parr, RG, Ayers, PW, Nalewajski, RF (2005) J. Phys. Chem. A ...
百度试题 结果1 题目The water molecule is made up of two___ (氢)atoms and one___ (氧)atom.相关知识点: 试题来源: 解析 marched 反馈 收藏
What is an atom in a molecule? J Phys Chem A The derivation of the Hirshfeld atoms in molecules from information theory is clarified. The importance for chemistry of the concept of atoms in molecules (AIM) is stressed, and it is argued that this concept, while highly useful, consti......
百度试题 结果1 题目The water molecule is made of two hydrogen atoms and one o___ atom.相关知识点: 试题来源: 解析 oxygen 反馈 收藏
题目The hybridization of the nitrogen atom in the molecule NF3 is A. sp2 B. spd C. sp3 D. sp3d 相关知识点: 试题来源: 解析 问的应该是NF3的杂化吧?选C sp3,将1个2s轨道和3个2p轨道杂化后与F成键,并且留有一对孤对电子.反馈 收藏 ...
What is the center of an atom called?Atoms:Atoms are the smallest indivisible working unit of matter. It is composed of three subatomic particles: neutrons, electrons, and protons. Neutrons are neutrally charged whereas electrons are negatively charged. Protons are the subatomic particles of an ...