【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...
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... ...
Difference Between Atom And Ion Difference Between Atom and Molecule Difference Between Atomic mass and Atomic weight Difference Between Baking Powder and Baking Soda Difference between cations and anions Difference Between Cell and Battery Difference Between Chemical Reaction and Nuclear Reaction Difference B...
Triethylamine [(CH3CH2)3N] is a molecule in which the nitrogen atom is ___ hybridized and the CNC bond angle is ___. () A sp2; >109.5° B sp2; C sp3; >109.5° D sp3; E sp; 109.5° 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
wherein M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M.Jeffrey H. BanningNan-Xing HuJames D. MayoJames M. DuffRoger E. Gaynor...
To determine which statements about carbon dioxide (CO2) are correct, let's analyze each statement step by step.Step 1: Analyze the first statement Statement: Carbon dioxide molecule behaves as a nonpolar molec
(2023·河北沧州·高三校联考期中)A methane molecule is (compose) of one carbon atom attached to four hydrogens. (所给词的适当形式填空) 相关知识点: 试题来源: 解析 [答案]composed [详解]考查动词语态。句意:甲烷分子是由一个碳原子和四个氢原子组成的。句中be composed of为固定短语,意为“由……...
An iron of the cluster may bind the substrate and act as Lewis acid for the elimination of the hydroxy group. The reaction involves most probably an allylic anion 90 as intermediate that can be protonated at C-2 yielding IPP 2 or at C-4 yielding DMAPP 3 (Figure 16). When the HMBPP...
Each heme has an iron atom in the center which can bind an oxygen molecule. The heme fits into a hydrophobic crevice in the proteins partially exposed to solvent. Heme Fe(II) can bind bind many other small molecules with structures similar to O2 including: CO, NO, H2S ...
I know that the answer depends on whether your reference uses 1.7 or 2 as an electronegativity difference, but I'm still a little confused beyond that. If the iron atom in Fe2O3has a +3 charge, which means it's an ion. So therefore you'd think the molecule is ionic. But apparently...