【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...
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...
An Introduction to the Quantum Theory of Atoms in Molecules Other important (related) questions addressed by QTAIM include: What is an atom in a molecule or a crystal? How can an atom or a group of atoms be... CF Matta,RJ Boyd - John Wiley & Sons, Ltd 被引量: 0发表: 2007年 Gener...
In particular, analysis of the electron–positron pair density function shows that positronium hydride has not only an atomic structure with a positron added to a hydrogen negative ion, but also a diatomic molecular structure which consists of a hydrogen atom and a positronium....
MPST desulfurates 3-mercaptopyruvate (3MP), a product of cysteine catabolism, to generate pyruvate and an enzyme-bound persulfide. In contrast to small molecule persulfides, the MPST-bound persulfide is capable of transferring its outer sulfur atom to thiol acceptors, facilitated by a specialized...
What is the melting point of sulfur? What is the correct formula for iron (III) sulfide? How many valence electrons does an atom of sulfur have? How many valence electrons are in an atom of sulfur? What is the chemical formula for phosphorus?
A magnesium sulfate molecule is composed of a magnesium atom, a sulfur atom, and four oxygen atoms. Below is a diagram of what magnesium sulfate looks like at the molecular level. Uses Side Effects Lesson Summary Register to view this lesson Are you a student or a teacher? I am a ...
How many valence electrons are in an atom of sulfur? How many valence electrons does an atom of sulfur have? In the attached Lewis structure of [ BrO3 ]-, every atom, bond, and lone pair is positioned. To complete the structure, label the atoms wi...
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 ...
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