partial valence

简明释义

余价

英英释义

例句

1.The stability of certain compounds can be attributed to their partial valence 部分价态 interactions.

某些化合物的稳定性可以归因于它们的partial valence 部分价态相互作用。

2.Understanding partial valence 部分价态 allows chemists to predict reactivity patterns in organic compounds.

理解partial valence 部分价态使化学家能够预测有机化合物的反应模式。

3.When analyzing electron configurations, we often consider partial valence 部分价态 electrons in transition metals.

在分析电子配置时，我们通常考虑过渡金属中的partial valence 部分价态电子。

4.In quantum chemistry, the concept of partial valence 部分价态 helps explain the bonding characteristics of molecules.

在量子化学中，partial valence 部分价态的概念有助于解释分子的结合特性。

5.The concept of partial valence 部分价态 is crucial for explaining resonance structures in molecules.

概念partial valence 部分价态对于解释分子的共振结构至关重要。

作文

In the realm of chemistry, understanding the concept of partial valence is crucial for grasping the behavior of atoms and molecules. The term partial valence refers to the effective contribution of an atom's valence electrons in forming bonds with other atoms, particularly in complex molecules where multiple bonding interactions occur. This concept plays a significant role in predicting molecular geometry, reactivity, and the overall stability of compounds.To illustrate the importance of partial valence, consider the example of water (H2O). In this molecule, the oxygen atom has six valence electrons, while each hydrogen atom has one. When these atoms bond, the oxygen atom effectively uses two of its valence electrons to form covalent bonds with the two hydrogen atoms. However, the remaining four electrons do not participate in bonding; instead, they exist as lone pairs. The partial valence of oxygen in this case can be thought of as the contribution it makes to the bonding situation, which influences the angle between the hydrogen-oxygen-hydrogen bonds and ultimately gives water its unique properties.Moreover, the concept of partial valence extends beyond simple molecules to more complex organic compounds. For instance, in carbon-based molecules, the ability of carbon to form four covalent bonds leads to a wide variety of structures. However, when considering resonance structures or hybridization, the idea of partial valence becomes essential. It allows chemists to understand how electrons are distributed among different bonding scenarios, leading to more accurate predictions regarding the behavior of these compounds in various chemical reactions.Furthermore, the partial valence concept is pivotal in the field of materials science, particularly in the development of semiconductors and polymers. The electronic properties of materials are largely determined by the arrangement and behavior of their valence electrons. By analyzing the partial valence of elements within a material, scientists can tailor the properties of substances to achieve desired electrical, thermal, or mechanical characteristics. This understanding is fundamental in designing new materials for technology applications, such as solar cells, batteries, and electronic devices.In summary, the concept of partial valence is integral to the study of chemistry and material science. It provides insight into how atoms interact, bond, and influence the properties of molecules and materials. By recognizing the significance of partial valence, students and researchers can enhance their understanding of chemical behavior and contribute to advancements in various scientific fields. Therefore, mastering this concept is not only beneficial for academic purposes but also for practical applications in technology and industry.

在化学领域，理解“部分价态”的概念对于掌握原子和分子的行为至关重要。“部分价态”这个术语指的是原子的价电子在与其他原子形成键时的有效贡献，特别是在多个键合相互作用发生的复杂分子中。这个概念在预测分子几何形状、反应性以及化合物的整体稳定性方面发挥着重要作用。为了说明“部分价态”的重要性，可以考虑水（H2O）的例子。在这个分子中，氧原子有六个价电子，而每个氢原子有一个。当这些原子结合时，氧原子有效地使用两个价电子与两个氢原子形成共价键。然而，剩下的四个电子并不参与键合；相反，它们作为孤对存在。在这种情况下，氧的“部分价态”可以被视为它对键合情况的贡献，这影响了氢-氧-氢键之间的角度，并最终赋予水其独特的性质。此外，“部分价态”的概念不仅限于简单分子，还扩展到更复杂的有机化合物。例如，在基于碳的分子中，碳能够形成四个共价键，导致多种结构的出现。然而，在考虑共振结构或杂化时，“部分价态”的概念变得至关重要。它使化学家能够理解电子在不同键合情境中的分布，从而更准确地预测这些化合物在各种化学反应中的行为。此外，“部分价态”的概念在材料科学领域也至关重要，特别是在半导体和聚合物的开发中。材料的电子特性在很大程度上取决于其价电子的排列和行为。通过分析材料中元素的“部分价态”，科学家可以定制物质的特性，以实现所需的电气、热或机械特性。这种理解在设计用于技术应用的新材料（如太阳能电池、电池和电子设备）中是基本的。总之，“部分价态”的概念是化学和材料科学研究不可或缺的一部分。它提供了关于原子如何相互作用、结合以及如何影响分子和材料特性的洞察。通过认识到“部分价态”的重要性，学生和研究人员可以增强对化学行为的理解，并为各科学领域的进步做出贡献。因此，掌握这一概念不仅对学术目的有益，而且对技术和工业中的实际应用也非常重要。