ionic bond

简明释义

离子结合

英英释义

例句

1.Magnesium oxide is a classic example of a compound with an ionic bond (离子键).

氧化镁是一个具有离子键的经典化合物示例。

2.The strength of an ionic bond (离子键) contributes to the high melting point of ionic compounds.

一个离子键的强度使得离子化合物具有高熔点。

3.In an ionic bond (离子键), one atom donates an electron to another atom.

在离子键中，一个原子将电子捐赠给另一个原子。

4.Sodium chloride is formed when sodium and chlorine atoms create an ionic bond (离子键).

氯化钠是在钠和氯原子形成离子键时生成的。

5.An ionic bond (离子键) typically forms between metals and nonmetals.

通常在金属和非金属之间形成离子键。

作文

Ionic bonds are a fundamental concept in chemistry that describe the attractive forces between oppositely charged ions. These bonds form when one atom donates an electron to another atom, resulting in the creation of positively and negatively charged ions. This process typically occurs between metals and nonmetals, where metals tend to lose electrons and become cations, while nonmetals gain electrons and become anions. The resulting electrostatic attraction between these charged particles is what we refer to as an ionic bond (离子键). One of the most common examples of ionic bonds (离子键) can be seen in sodium chloride, or table salt. In this case, sodium (Na), a metal, loses one electron to become a sodium ion (Na+), while chlorine (Cl), a nonmetal, gains that electron to become a chloride ion (Cl-). The Na+ and Cl- ions are then held together by the strong electrostatic forces of attraction, forming a stable compound. This illustrates how ionic bonds (离子键) are crucial in creating compounds that are essential for life and various chemical processes.The strength of an ionic bond (离子键) is influenced by several factors, including the charge of the ions involved and the distance between them. Generally, the greater the charge on the ions, the stronger the bond will be. For instance, magnesium oxide (MgO) has a higher melting point than sodium chloride due to the stronger ionic bonds (离子键) formed between the Mg2+ and O2- ions compared to the Na+ and Cl- ions. This demonstrates how ionic bonds (离子键) play a significant role in determining the physical properties of compounds.In addition to their strength, ionic bonds (离子键) also have unique characteristics. Compounds formed through ionic bonding (离子键) typically have high melting and boiling points because a considerable amount of energy is required to break the strong attractions between the ions. Furthermore, many ionic compounds are soluble in water and can conduct electricity when dissolved or melted, as the ions are free to move. This property makes ionic bonds (离子键) essential in various applications, including batteries and electrolytes.Despite their strength and importance, ionic bonds (离子键) have limitations. For example, ionic compounds tend to be brittle and can shatter when subjected to stress. This occurs because the alignment of the ions can shift, causing like charges to repel each other and leading to the fracture of the material. Understanding the nature of ionic bonds (离子键) helps chemists design materials with desired properties, whether they need strength, flexibility, or conductivity.In conclusion, ionic bonds (离子键) are a key aspect of chemistry that facilitate the formation of stable compounds through the transfer of electrons between atoms. Their unique properties and behaviors not only explain the characteristics of various substances but also enable numerous technological advancements. As we continue to explore the world of chemistry, the understanding of ionic bonds (离子键) remains essential for both academic studies and practical applications.

离子键是化学中的一个基本概念，描述了相反电荷离子之间的吸引力。这些键形成于一个原子将电子捐赠给另一个原子，从而产生正负离子。这一过程通常发生在金属和非金属之间，金属倾向于失去电子并成为阳离子，而非金属则获得电子并成为阴离子。这些带电粒子之间的静电吸引力就是我们所称的离子键（ionic bond）。最常见的离子键（ionic bond）示例可以在氯化钠或食盐中看到。在这种情况下，金属钠（Na）失去一个电子，成为钠离子（Na+），而非金属氯（Cl）获得该电子，成为氯离子（Cl-）。Na+和Cl-离子通过强大的静电吸引力结合在一起，形成一个稳定的化合物。这说明了离子键（ionic bond）在创造对生命和各种化学过程至关重要的化合物中的重要性。离子键（ionic bond）的强度受几个因素的影响，包括参与的离子的电荷和它们之间的距离。一般来说，离子的电荷越大，键就越强。例如，氧化镁（MgO）的熔点高于氯化钠，因为Mg2+和O2-离子之间形成的离子键（ionic bond）比Na+和Cl-离子之间的要强。这表明离子键（ionic bond）在决定化合物的物理性质方面起着重要作用。除了强度外，离子键（ionic bond）还有独特的特性。通过离子键（ionic bond）形成的化合物通常具有高熔点和沸点，因为需要大量能量来打破离子之间的强吸引力。此外，许多离子化合物在水中可溶，并在溶解或熔化时能够导电，因为离子可以自由移动。这一特性使得离子键（ionic bond）在包括电池和电解质等各种应用中至关重要。尽管离子键（ionic bond）强大且重要，但也存在局限性。例如，离子化合物往往脆弱，受到压力时可能会破裂。这是因为离子的排列可能会发生变化，导致相同电荷的离子相互排斥，从而导致材料的断裂。理解离子键（ionic bond）的性质有助于化学家设计具有所需特性的材料，无论是需要强度、柔韧性还是导电性。总之，离子键（ionic bond）是化学中的一个关键方面，通过原子之间的电子转移促进稳定化合物的形成。它们独特的特性和行为不仅解释了各种物质的特征，还使无数技术进步成为可能。随着我们继续探索化学世界，对离子键（ionic bond）的理解仍然是学术研究和实际应用的基础。