ionic crystal
简明释义
离子晶体
英英释义
例句
1.The high melting point of an ionic crystal 离子晶体 is due to the strong electrostatic forces between the ions.
离子晶体的高熔点是由于离子之间强大的静电力。
2.The structure of an ionic crystal 离子晶体 is determined by the arrangement of its ions.
一个离子晶体的结构由其离子的排列决定。
3.When heated, an ionic crystal 离子晶体 can break down into its constituent ions.
加热时,离子晶体可能会分解为其组成离子。
4.Sodium chloride is a common example of an ionic crystal 离子晶体 that forms a cubic lattice.
氯化钠是一个常见的离子晶体,它形成了一个立方体晶格。
5.In an ionic crystal 离子晶体, the positive and negative ions are held together by ionic bonds.
在离子晶体中,正离子和负离子通过离子键结合在一起。
作文
Ionic crystals are a fascinating subject in the field of chemistry and materials science. These structures are formed by the electrostatic attraction between positively charged ions, known as cations, and negatively charged ions, referred to as anions. The arrangement of these ions creates a rigid and orderly lattice structure, which is characteristic of ionic crystals (离子晶体). This unique formation leads to various physical properties that distinguish ionic compounds from other types of materials.One of the most notable features of ionic crystals (离子晶体) is their high melting and boiling points. The strong electrostatic forces holding the ions together require a significant amount of energy to break, making these substances solid at room temperature. Common examples of ionic crystals (离子晶体) include table salt (sodium chloride) and magnesium oxide. When heated, these crystals can melt into a liquid state, where the ions are free to move around, which is essential for their electrical conductivity.In addition to their thermal properties, ionic crystals (离子晶体) exhibit excellent solubility in polar solvents, such as water. When placed in water, the polar molecules interact with the ions, effectively pulling them apart and allowing them to dissolve. This property is crucial in many biological and chemical processes, as it enables the transport of ions in solution, which is vital for life.The hardness of ionic crystals (离子晶体) is another interesting aspect. Due to their rigid lattice structure, they are generally hard and brittle. When a force is applied, the layers of ions may shift, causing like charges to repel each other and resulting in the crystal shattering. This brittleness is a common trait of many ionic crystals (离子晶体), making them less suitable for applications requiring flexibility.Moreover, the optical properties of ionic crystals (离子晶体) are also noteworthy. Many of these crystals can display a variety of colors due to the presence of transition metal ions, which can absorb specific wavelengths of light. This phenomenon is utilized in various applications, including pigments and gemstones. For instance, the beautiful blue color of sapphire can be attributed to the presence of iron and titanium ions within its ionic crystal (离子晶体) structure.In conclusion, understanding ionic crystals (离子晶体) is essential for anyone interested in chemistry and materials science. Their unique properties, such as high melting points, solubility in polar solvents, hardness, and optical characteristics, make them a subject of extensive study and application. From everyday table salt to complex minerals, ionic crystals (离子晶体) play a vital role in both nature and industry. As we continue to explore and manipulate these structures, the potential for new materials and technologies remains vast and exciting.
离子晶体是化学和材料科学领域中的一个迷人主题。这些结构是由带正电的离子(称为阳离子)和带负电的离子(称为阴离子)之间的静电吸引力形成的。这些离子的排列形成了一个刚性且有序的晶格结构,这是离子晶体(ionic crystal)的特征。这种独特的形成方式导致了各种物理性质,使得离子化合物与其他类型的材料区分开来。离子晶体(ionic crystal)最显著的特点之一是它们具有高熔点和沸点。将离子结合在一起的强静电力需要大量的能量来打破,使这些物质在室温下呈固态。常见的离子晶体(ionic crystal)包括食盐(氯化钠)和氧化镁。当加热时,这些晶体可以熔化成液态,在这种状态下,离子可以自由移动,这对于它们的电导率至关重要。除了热性能外,离子晶体(ionic crystal)在极性溶剂(如水)中的优良溶解性也是一个有趣的方面。当放入水中时,极性分子与离子相互作用,有效地将它们分开,从而使它们溶解。这一特性在许多生物和化学过程中至关重要,因为它使得离子在溶液中的运输成为可能,这对生命至关重要。离子晶体(ionic crystal)的硬度也是另一个有趣的方面。由于其刚性晶格结构,它们通常是坚硬且脆的。当施加力量时,离子层可能会移动,导致相同电荷的离子相互排斥,从而导致晶体破裂。这种脆性是许多离子晶体(ionic crystal)的共同特征,使得它们不太适合需要柔韧性的应用。此外,离子晶体(ionic crystal)的光学特性也值得注意。许多这些晶体由于过渡金属离子的存在,可以显示出各种颜色,这些离子可以吸收特定波长的光。这一现象被应用于各种应用中,包括颜料和宝石。例如,蓝宝石的美丽蓝色可以归因于其离子晶体(ionic crystal)结构中铁和钛离子的存在。总之,理解离子晶体(ionic crystal)对任何对化学和材料科学感兴趣的人来说都是至关重要的。它们独特的性质,如高熔点、在极性溶剂中的溶解性、硬度和光学特征,使它们成为广泛研究和应用的对象。从日常的食盐到复杂的矿物,离子晶体(ionic crystal)在自然和工业中扮演着重要角色。随着我们继续探索和操纵这些结构,新的材料和技术的潜力仍然广阔而令人兴奋。
相关单词