根据句意“一个水分子是由两个氢原子和一个氧原子组成的”,“由...组成”可译为bemadeupof,也可译为consistof,consistof 不用于被动语态,根据原句中的is可知应用一般现在时态,主语A moleculeofwater是单数形式,故谓语动词应用第三人称单数形式,故填consistsof。 反馈 ...
Answer to: Is a single atom or a single molecule considered a substance? By signing up, you'll get thousands of step-by-step solutions to your...
5 Atom X is the central atom in a molecule.In this molecule, atom X has four pairs of valence electrons in its outer shell.The four pairs of valence electrons include at least one bond pair and at least one lone pair.What could be a possible shape for the molecule? C A linear B no...
Mixtures consist of two or more different elements and / or compounds - physically intermingled, so Mixtures can include: at least two different types of atoms, or at least two different types of molecules, or at least one type of atom and at least one type of molecule. Mixtures can be...
The smallest identifiable that a pure substance can be divided into, and still have the same chemical properties and composition of that substance, is called a molecule. Molecules are made up of atoms and atoms are made up of subatomic particles....
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...
When an atom or molecule loses electrons, it is oxidized (oxidation has occurred).5个回答 null2013-05-23 12:21:38 回答:匿名 当原子或分子失去电子 , 氧化 ( 氧化发生 ) 。 2013-05-23 12:23:18 回答:匿名当原子或分子丢失电子时,它是被氧化的 (氧化作用发生了)。 2013-05-23 12:24:58 ...
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...
What is the example of molecule? Molecules of compounds have atoms of two or more different elements. For example,water(H2O) has three atoms, two hydrogen (H) atoms and one oxygen (O) atom. Methane (CH4), a common greenhouse gas, has five atoms, one of carbon (C) and four of hydro...