absolute valence

简明释义

绝对价;

英英释义

例句

1.In organic chemistry, the absolute valence 绝对价 of functional groups affects their reactivity.

在有机化学中，官能团的绝对价 absolute valence 影响其反应性。

2.In chemistry, the concept of absolute valence 绝对价 helps determine how many electrons an atom can lose or gain.

在化学中，绝对价 absolute valence 的概念有助于确定一个原子可以失去或获得多少电子。

3.Understanding absolute valence 绝对价 is crucial for predicting the behavior of elements in chemical reactions.

理解绝对价 absolute valence 对于预测元素在化学反应中的行为至关重要。

4.The absolute valence 绝对价 of carbon is four, indicating its ability to form four bonds.

碳的绝对价 absolute valence 是四，表明它能够形成四个键。

5.The absolute valence 绝对价 of oxygen allows it to form two bonds with hydrogen in water molecules.

氧的绝对价 absolute valence 使其能够与氢形成两个水分子中的键。

作文

In the realm of chemistry, the term absolute valence refers to the maximum number of bonds that an atom can form with other atoms. This concept is crucial in understanding how different elements interact and combine to create various compounds. The absolute valence of an atom is determined by its electron configuration, particularly the number of electrons in its outermost shell, or valence shell. For instance, carbon has an absolute valence of four because it can form four covalent bonds with other atoms, allowing it to play a central role in organic chemistry.Understanding absolute valence is essential for chemists as it helps predict the structure and behavior of molecules. When atoms bond together, they do so in a way that allows them to achieve a more stable electron configuration. This stability often comes from completing their valence shells, leading to the formation of stable compounds. For example, oxygen, with an absolute valence of two, tends to form two bonds to fill its outer shell, resulting in the formation of water (H2O) when it bonds with hydrogen atoms.Moreover, the concept of absolute valence extends beyond simple bonding scenarios. It also plays a significant role in determining the geometry of molecules. The arrangement of atoms in a molecule is influenced by the absolute valence of the central atom and the types of bonds formed. For example, in methane (CH4), the carbon atom's absolute valence of four results in a tetrahedral shape, which is crucial for understanding the properties of the compound.In addition to its fundamental importance in chemical bonding, absolute valence also has practical applications in various fields, including materials science and pharmacology. By manipulating the absolute valence of certain elements, scientists can design new materials with specific properties or develop drugs that target particular biological pathways. This ability to control bonding interactions based on absolute valence highlights the significance of this concept in advancing scientific knowledge and technological innovation.In conclusion, the term absolute valence is a vital concept in chemistry that describes the maximum number of bonds an atom can form. It is determined by the electron configuration of the atom and plays a crucial role in predicting molecular structures, behaviors, and interactions. As we continue to explore the complexities of chemical bonding, the understanding of absolute valence will remain a cornerstone of both theoretical and applied chemistry, guiding researchers in their quest for new discoveries and innovations.

在化学领域，术语绝对价指的是一个原子可以与其他原子形成的最大键数。这个概念对于理解不同元素如何相互作用和结合以创造各种化合物至关重要。一个原子的绝对价由其电子配置决定，特别是其最外层或价层中的电子数量。例如，碳的绝对价为四，因为它可以与其他原子形成四个共价键，使其在有机化学中扮演中心角色。理解绝对价对于化学家来说是必不可少的，因为它有助于预测分子的结构和行为。当原子结合在一起时，它们以一种允许它们实现更稳定的电子配置的方式进行结合。这种稳定性通常来自于完成其价层，从而导致稳定化合物的形成。例如，氧的绝对价为二，它倾向于形成两个键以填满其外层，从而在与氢原子结合时形成水（H2O）。此外，绝对价的概念超出了简单的键合场景。它还在确定分子几何形状方面发挥重要作用。分子中原子的排列受到中心原子的绝对价和形成的键类型的影响。例如，在甲烷（CH4）中，碳原子的绝对价为四，导致其呈四面体形状，这对理解化合物的性质至关重要。除了在化学键合中的基本重要性外，绝对价在材料科学和药理学等多个领域也具有实际应用。通过操控某些元素的绝对价，科学家可以设计具有特定属性的新材料或开发针对特定生物途径的药物。这种基于绝对价控制键合相互作用的能力突显了这一概念在推动科学知识和技术创新方面的重要性。总之，术语绝对价是化学中一个重要的概念，描述了一个原子可以形成的最大键数。它由原子的电子配置决定，并在预测分子结构、行为和相互作用中发挥关键作用。随着我们继续探索化学键合的复杂性，对绝对价的理解将始终是理论和应用化学的基石，引导研究人员在追求新发现和创新的过程中。