molecular compound

简明释义

分子化合物

英英释义

例句

1.Water is a simple molecular compound that consists of two hydrogen atoms and one oxygen atom.

水是一种简单的分子化合物，由两个氢原子和一个氧原子组成。

2.Many organic compounds are classified as molecular compounds due to their covalent bonds.

许多有机化合物由于其共价键而被归类为分子化合物。

3.The molecular compound glucose plays a crucial role in cellular respiration.

葡萄糖这种分子化合物在细胞呼吸中起着至关重要的作用。

4.Sodium chloride, commonly known as table salt, is not a molecular compound but an ionic compound.

氯化钠，通常被称为食盐，并不是一种分子化合物，而是一种离子化合物。

5.Carbon dioxide is an important molecular compound in the Earth's atmosphere.

二氧化碳是地球大气中重要的分子化合物。

作文

In the study of chemistry, understanding the concept of a molecular compound is essential for grasping the behavior and properties of various substances. A molecular compound, defined as a chemical compound that consists of molecules formed by the covalent bonding of two or more nonmetals, plays a crucial role in our daily lives. These compounds can be found in everything from the air we breathe to the food we eat.For instance, water (H2O) is one of the most vital molecular compounds known to mankind. It is composed of two hydrogen atoms covalently bonded to one oxygen atom. The properties of water, such as its ability to dissolve many substances, its high specific heat, and its unique density characteristics, are all a result of its molecular compound structure. Without water, life as we know it would not be possible.Another example of a molecular compound is carbon dioxide (CO2). This compound consists of one carbon atom double-bonded to two oxygen atoms. Carbon dioxide is produced during respiration in living organisms and is also a byproduct of combustion processes. Understanding how molecular compounds like carbon dioxide interact with other elements is crucial for fields such as environmental science and climate change studies.The formation of molecular compounds involves the sharing of electrons between atoms, which distinguishes them from ionic compounds where electrons are transferred. This sharing of electrons leads to the creation of stable molecules that exhibit distinct physical and chemical properties. For example, the molecular compound methane (CH4), which consists of one carbon atom bonded to four hydrogen atoms, is a key component of natural gas and serves as an important energy source.Moreover, the study of molecular compounds extends beyond simple examples like water and carbon dioxide. In organic chemistry, the vast array of compounds that contain carbon atoms—ranging from simple hydrocarbons to complex biomolecules—are all categorized as molecular compounds. These compounds are fundamental to the structure and function of living organisms, including carbohydrates, proteins, and nucleic acids.As we delve deeper into the world of molecular compounds, we begin to appreciate their significance in various scientific disciplines. In pharmaceuticals, for instance, understanding the molecular compound nature of drugs helps chemists design more effective medications with fewer side effects. Similarly, materials science relies heavily on the properties of molecular compounds to develop new materials with specific characteristics for use in technology and engineering.In conclusion, the term molecular compound encompasses a wide range of substances that are integral to both the natural world and human innovation. By studying these compounds, we gain insight into the fundamental principles of chemistry and their applications in various fields. Whether it is through the exploration of simple molecules like water or complex organic compounds, the understanding of molecular compounds continues to be a cornerstone of scientific inquiry and discovery.

在化学研究中，理解分子化合物的概念对于掌握各种物质的行为和性质至关重要。分子化合物被定义为由两个或多个非金属通过共价键形成的分子组成的化学化合物，这在我们的日常生活中发挥着重要作用。这些化合物可以在我们呼吸的空气到我们吃的食物中找到。例如，水（H2O）是人类已知的最重要的分子化合物之一。它由两个氢原子与一个氧原子共价结合而成。水的性质，例如其溶解许多物质的能力、高比热和独特的密度特征，都是其分子化合物结构的结果。没有水，生命就无法存在。另一个分子化合物的例子是二氧化碳（CO2）。这种化合物由一个碳原子与两个氧原子双键结合而成。二氧化碳是在生物体呼吸过程中产生的，也是燃烧过程的副产品。理解像二氧化碳这样的分子化合物如何与其他元素相互作用，对于环境科学和气候变化研究等领域至关重要。分子化合物的形成涉及原子之间电子的共享，这使其区别于电子转移的离子化合物。这种电子的共享导致了稳定分子的形成，并表现出独特的物理和化学性质。例如，分子化合物甲烷（CH4）由一个碳原子与四个氢原子结合而成，是天然气的关键成分，并作为重要的能源来源。此外，分子化合物的研究不仅限于简单的水和二氧化碳等例子。在有机化学中，包含碳原子的各种化合物——从简单的烃到复杂的生物分子——都被归类为分子化合物。这些化合物是生物体结构和功能的基础，包括碳水化合物、蛋白质和核酸。当我们深入了解分子化合物的世界时，我们开始欣赏它们在各种科学学科中的重要性。例如，在制药行业，理解药物的分子化合物性质有助于化学家设计更有效的药物并减少副作用。同样，材料科学在开发具有特定特性的技术和工程新材料时，也严重依赖于分子化合物的性质。总之，术语分子化合物涵盖了一系列对自然界和人类创新至关重要的物质。通过研究这些化合物，我们获得了对化学基本原理及其在各个领域应用的深入了解。无论是通过探索水等简单分子，还是复杂的有机化合物，对分子化合物的理解仍然是科学探究和发现的基石。