electrovalency

简明释义

英[ɪˌlɛktrəʊˈveɪlənsɪ]美[ɪˌlɛktrəˈveɪnsi]

n. 电价

英英释义

单词用法

同义词

反义词

例句

1.The cost structure of energy consumption of hot oil pipeline has greatly taken place by the constant increment of electrovalency and great drawdown of heating oil price.

由于电价不断上涨导致燃油价格大幅度下降，使热输管道的能耗成本结构发生了较大变化。

2.The cost structure of energy consumption of hot oil pipeline has greatly taken place by the constant increment of electrovalency and great drawdown of heating oil price.

由于电价不断上涨导致燃油价格大幅度下降，使热输管道的能耗成本结构发生了较大变化。

3.Active electrovalency system of Japan is a foundation with integrated cost means, this is the focus of the problem.

日本的现行电价制度是以综合成本方式为基础的，这是问题的焦点。

4.The online electrovalency research of 3 gorge hydroelectric station is a very main task.

三峡水电站的上网电价研究是一个十分重要的课题。

5.And a of quote main index is the systematic limit electrovalency that forecast.

而报价的一个重要指标是预测的系统边际电价。

6.The concept of electrovalency is crucial in understanding ionic bonding.

理解离子键时，电价的概念至关重要。

7.In chemistry, the electrovalency of sodium is +1, indicating it loses one electron.

在化学中，钠的电价是+1，表示它失去一个电子。

8.The electrovalency of chlorine is -1, which means it gains one electron.

氯的电价是-1，这意味着它获得一个电子。

9.Understanding electrovalency helps predict the types of compounds formed.

理解电价有助于预测形成的化合物类型。

10.Different elements have varying electrovalency, affecting their reactivity.

不同元素有不同的电价，这影响了它们的反应性。

作文

Understanding the concept of electrovalency is crucial for students and enthusiasts of chemistry. Electrovalency, also known as ionic valency, refers to the charge of an ion when it forms an ionic bond. This concept plays a significant role in determining how elements combine to form compounds, which is essential for both theoretical and practical applications in chemistry. In simpler terms, electrovalency indicates the number of electrons that an atom can lose or gain to achieve a stable electronic configuration, typically resembling that of noble gases. For instance, sodium (Na) has one electron in its outer shell. When it loses this electron, it becomes a positively charged ion (Na+), exhibiting a electrovalency of +1. On the other hand, chlorine (Cl), which has seven electrons in its outer shell, needs one more electron to complete its octet. When it gains an electron, it becomes a negatively charged ion (Cl−), with a electrovalency of -1. The interaction between these ions illustrates how electrovalency works in forming ionic compounds. When sodium and chlorine react, they create sodium chloride (NaCl), commonly known as table salt. The positive charge of the sodium ion balances the negative charge of the chloride ion, resulting in a neutral compound. This example highlights the importance of electrovalency in understanding chemical bonding and the formation of stable compounds. Moreover, the concept of electrovalency extends beyond simple ionic compounds. It also applies to more complex substances, including minerals and biological molecules. For example, in biological systems, the electrovalency of ions like calcium (Ca2+) and magnesium (Mg2+) is vital for various physiological processes, including muscle contraction and nerve transmission. Understanding how these ions interact based on their electrovalency helps chemists and biologists design better treatments for diseases and develop new materials. In addition to its significance in chemistry and biology, electrovalency also has practical implications in industries such as pharmaceuticals, agriculture, and materials science. By manipulating the electrovalency of certain elements, scientists can create more effective drugs, enhance crop yields, and develop innovative materials with specific properties. For instance, fertilizers often contain ions with specific electrovalency to ensure optimal nutrient absorption by plants. In conclusion, electrovalency is a fundamental concept that underpins much of modern chemistry. It provides insight into how atoms interact to form compounds and the nature of ionic bonds. By mastering the principles of electrovalency, students can deepen their understanding of chemical reactions and apply this knowledge to various scientific fields. As we continue to explore the complexities of matter, recognizing the role of electrovalency will undoubtedly enhance our comprehension of the natural world and drive future innovations in science and technology.

理解电价的概念对于化学学生和爱好者至关重要。电价，也称为离子价，是指离子在形成离子键时的电荷。这个概念在确定元素如何结合形成化合物方面发挥着重要作用，这对化学的理论和实践应用都是必不可少的。 简单来说，电价表示一个原子可以失去或获得多少电子，以达到稳定的电子配置，通常类似于惰性气体的配置。例如，钠（Na）在其外层壳中有一个电子。当它失去这个电子时，它变成一个带正电的离子（Na+），表现出电价为+1。另一方面，氯（Cl）在其外层壳中有七个电子，需要再获得一个电子以完成其八电子结构。当它获得一个电子时，它变成一个带负电的离子（Cl−），其电价为-1。 这些离子之间的相互作用说明了电价在形成离子化合物中的作用。当钠和氯反应时，它们会产生氯化钠（NaCl），即我们常说的食盐。钠离子的正电荷平衡了氯离子的负电荷，从而形成了一个中性化合物。这个例子突显了电价在理解化学键合和稳定化合物形成中的重要性。 此外，电价的概念不仅限于简单的离子化合物。它还适用于更复杂的物质，包括矿物和生物分子。例如，在生物系统中，钙离子（Ca2+）和镁离子（Mg2+）的电价对各种生理过程至关重要，包括肌肉收缩和神经传导。理解这些离子如何根据其电价相互作用，有助于化学家和生物学家设计更好的疾病治疗方案，并开发新材料。 除了在化学和生物学中的重要性，电价在制药、农业和材料科学等行业也具有实际意义。通过操控某些元素的电价，科学家可以创造更有效的药物，提高作物产量，并开发具有特定性质的创新材料。例如，肥料通常含有具有特定电价的离子，以确保植物最佳的养分吸收。 总之，电价是现代化学的一个基本概念。它提供了关于原子如何相互作用形成化合物以及离子键性质的深入见解。通过掌握电价的原理，学生可以加深对化学反应的理解，并将这种知识应用于各个科学领域。随着我们继续探索物质的复杂性，认识到电价的作用无疑将增强我们对自然世界的理解，并推动科学技术的未来创新。