covalent complex

简明释义

1. 共价配合物; 2. 共价络合物;

英英释义

例句

1.The covalent complex formed between the enzyme and substrate is essential for catalysis.

酶与底物之间形成的共价复合物对催化至关重要。

2.A stable covalent complex can result from the reaction of a nucleophile with an electrophile.

亲核试剂与亲电试剂反应可以形成一个稳定的共价复合物。

3.The formation of a covalent complex can significantly enhance the stability of the molecule.

形成一个共价复合物可以显著增强分子的稳定性。

4.Researchers are exploring the use of covalent complexes in drug delivery systems.

研究人员正在探索在药物输送系统中使用共价复合物。

5.In organic chemistry, understanding how a covalent complex forms is crucial for synthesizing new compounds.

在有机化学中，理解如何形成共价复合物对合成新化合物至关重要。

作文

In the world of chemistry, the term covalent complex refers to a specific type of molecular structure where atoms are held together by covalent bonds. These bonds are formed when two or more atoms share electrons, leading to the creation of a stable entity. Understanding covalent complexes is crucial for students and professionals alike, as they play a significant role in various chemical reactions and biological processes.Covalent bonding occurs between non-metal atoms, which tend to have similar electronegativities. This means that neither atom has a strong tendency to gain or lose electrons, resulting in a sharing arrangement. A common example of a covalent complex is water (H2O), where each hydrogen atom shares an electron with the oxygen atom. This sharing creates a highly stable molecule that is essential for life.The formation of covalent complexes can lead to the development of larger structures, such as proteins and nucleic acids, which are fundamental to biological systems. For instance, amino acids, the building blocks of proteins, are linked together by peptide bonds that are also a form of covalent bond. The three-dimensional structure of proteins, which determines their function, is largely influenced by these covalent interactions.Moreover, understanding covalent complexes is vital in fields like materials science and nanotechnology. Scientists are constantly exploring how to create new materials that exhibit unique properties by manipulating covalent bonds at the molecular level. For example, carbon atoms can form covalent complexes in various configurations, leading to the creation of diamond, graphite, or graphene, each with distinct characteristics and applications.In addition to their structural importance, covalent complexes also play a pivotal role in chemical reactions. During these reactions, covalent bonds may be broken and reformed, enabling the transformation of reactants into products. The study of reaction mechanisms often involves understanding how covalent complexes interact and change during these processes.Furthermore, the concept of covalent complexes extends beyond simple molecules to include more complex systems, such as coordination compounds. In these systems, a central metal atom is bonded to surrounding ligands through covalent interactions. These complexes can exhibit a wide range of colors, reactivities, and geometries, making them a fascinating area of study in inorganic chemistry.In conclusion, the understanding of covalent complexes is fundamental to both theoretical and applied chemistry. From the formation of essential biological macromolecules to the development of advanced materials, covalent interactions are at the heart of many scientific discoveries. As we continue to explore the intricacies of these complexes, we gain deeper insights into the nature of matter and the principles that govern chemical behavior. Therefore, mastering the concept of covalent complexes is not only important for academic success but also for contributing to advancements in various scientific fields.

在化学的世界中，术语共价复合物指的是一种特定的分子结构，其中原子通过共价键结合在一起。这些键是在两个或多个原子共享电子时形成的，从而创建一个稳定的实体。理解共价复合物对于学生和专业人士来说至关重要，因为它们在各种化学反应和生物过程中发挥着重要作用。共价键发生在非金属原子之间，这些原子往往具有相似的电负性。这意味着没有一个原子有强烈的倾向去获得或失去电子，导致共享安排的形成。共价复合物的一个常见例子是水（H2O），其中每个氢原子与氧原子共享一个电子。这种共享创造了一个高度稳定的分子，对生命至关重要。共价复合物的形成可以导致更大结构的发展，例如蛋白质和核酸，它们是生物系统的基础。例如，氨基酸，蛋白质的构建块，通过肽键连接在一起，这也是一种共价键。蛋白质的三维结构决定了它们的功能，主要受到这些共价相互作用的影响。此外，理解共价复合物在材料科学和纳米技术等领域至关重要。科学家们不断探索如何通过在分子层面操纵共价键来创造具有独特特性的材料。例如，碳原子可以以不同的配置形成共价复合物，从而创造出钻石、石墨或石墨烯，每种材料都有不同的特性和应用。除了其结构重要性外，共价复合物在化学反应中也发挥着关键作用。在这些反应中，共价键可能会被打破和重新形成，使反应物转变为产品。反应机制的研究通常涉及理解共价复合物在这些过程中如何相互作用和变化。此外，共价复合物的概念不仅限于简单分子，还包括更复杂的系统，例如配位化合物。在这些系统中，一个中心金属原子通过共价相互作用与周围的配体结合。这些复合物可以表现出广泛的颜色、反应性和几何形状，使其成为无机化学中一个迷人的研究领域。总之，理解共价复合物对理论和应用化学都是基础。从基本生物大分子的形成到先进材料的发展，共价相互作用处于许多科学发现的核心。因此，掌握共价复合物的概念不仅对学术成功重要，而且对推动各个科学领域的进步也至关重要。