molecular compound

简明释义

分子化合物

英英释义

例句

1.Ammonia is a molecular compound made up of one nitrogen atom and three hydrogen atoms.

氨是一种由一个氮原子和三个氢原子组成的分子化合物。

2.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。

3.Table sugar, or sucrose, is a common molecular compound found in many foods.

蔗糖或称为蔗糖，是一种常见的分子化合物，在许多食物中都可以找到。

4.DNA is a complex molecular compound that carries genetic information.

DNA是一种复杂的分子化合物，携带遗传信息。

5.The molecular compound carbon dioxide is produced during respiration.

二氧化碳这种分子化合物是在呼吸过程中产生的。

作文

A molecular compound is a type of chemical compound that consists of molecules formed by the covalent bonding of two or more nonmetal atoms. These compounds are characterized by their discrete molecular units, which differentiate them from ionic compounds that form lattice structures. Understanding molecular compounds is essential in various fields such as chemistry, biology, and materials science, as they play crucial roles in the composition and behavior of substances. For instance, water (H2O) is one of the simplest and most well-known molecular compounds. It is composed of two hydrogen atoms covalently bonded to one oxygen atom. The unique properties of water, such as its high surface tension and ability to dissolve many substances, can be attributed to its molecular compound nature. The polar covalent bonds between the hydrogen and oxygen atoms result in a molecule with a partial positive charge on the hydrogen side and a partial negative charge on the oxygen side, leading to hydrogen bonding between water molecules.Another example of a molecular compound is carbon dioxide (CO2). This compound is formed when one carbon atom is covalently bonded to two oxygen atoms. Carbon dioxide plays a vital role in the Earth's atmosphere and is a key component in the process of photosynthesis, where plants convert CO2 into glucose and oxygen using sunlight. The linear structure of CO2 and its nonpolar characteristics make it an important molecule for understanding gas exchange in living organisms.The study of molecular compounds also extends to organic chemistry, where compounds containing carbon are examined. For example, glucose (C6H12O6) is a simple sugar and a fundamental molecular compound in biology. It serves as a primary energy source for cells and is involved in numerous metabolic pathways. The structure of glucose, with its hydroxyl groups (-OH), allows it to interact with other molecules, making it highly soluble in water and reactive in biochemical processes.In addition to their biological significance, molecular compounds are also important in industrial applications. Many pharmaceuticals are designed as molecular compounds that target specific biological pathways. The design and synthesis of these compounds require a deep understanding of molecular interactions and the principles of organic chemistry. For example, aspirin (acetylsalicylic acid) is a widely used molecular compound that acts as an anti-inflammatory and pain reliever. Its effectiveness is due to its ability to inhibit certain enzymes involved in the inflammatory response.In conclusion, molecular compounds are integral to both natural and synthetic processes. Their diverse structures and properties enable them to participate in a wide range of chemical reactions and biological functions. By studying molecular compounds, scientists can gain insights into the mechanisms of life, develop new materials, and create innovative solutions to various challenges. As we continue to explore the world of chemistry, the importance of molecular compounds will undoubtedly remain a central focus of research and discovery.

分子化合物是一种由两个或多个非金属原子通过共价键结合形成的化学化合物。这些化合物的特征在于其离散的分子单元，这使它们与形成晶格结构的离子化合物区分开来。理解分子化合物在化学、生物学和材料科学等多个领域至关重要，因为它们在物质的组成和行为中发挥着关键作用。例如，水（H2O）是最简单和最著名的分子化合物之一。它由两个氢原子与一个氧原子通过共价键结合而成。水的独特性质，如高表面张力和溶解许多物质的能力，可以归因于其分子化合物的特性。氢和氧原子之间的极性共价键导致水分子在氢侧带有部分正电荷，而在氧侧带有部分负电荷，从而导致水分子之间的氢键形成。另一个分子化合物的例子是二氧化碳（CO2）。该化合物由一个碳原子与两个氧原子通过共价键结合而成。二氧化碳在地球大气中发挥着重要作用，是光合作用中的关键成分，植物利用阳光将CO2转化为葡萄糖和氧气。CO2的线性结构及其非极性特征使其成为理解生物体气体交换的重要分子。对分子化合物的研究还扩展到有机化学，研究含碳的化合物。例如，葡萄糖（C6H12O6）是一种简单的糖，是生物学中的基本分子化合物。它作为细胞的主要能量来源，参与众多代谢途径。葡萄糖的结构具有羟基（-OH），使其能够与其他分子相互作用，从而在水中高度溶解，并在生化过程中具有反应性。除了生物学上的重要性，分子化合物在工业应用中也很重要。许多药物被设计为针对特定生物通路的分子化合物。这些化合物的设计和合成需要深入理解分子相互作用和有机化学的原理。例如，阿司匹林（乙酰水杨酸）是一种广泛使用的分子化合物，具有抗炎和止痛的作用。其有效性源于其抑制参与炎症反应的某些酶的能力。总之，分子化合物对于自然和合成过程都是不可或缺的。它们多样的结构和性质使它们能够参与广泛的化学反应和生物功能。通过研究分子化合物，科学家可以深入了解生命机制，开发新材料，并创造出各种挑战的创新解决方案。随着我们继续探索化学世界，分子化合物的重要性无疑将继续成为研究和发现的核心焦点。