low electron affinity
简明释义
低电子亲合力
英英释义
Low electron affinity refers to the tendency of an atom or molecule to not readily attract and hold onto additional electrons. | 低电子亲和力是指原子或分子不容易吸引并保持额外电子的倾向。 |
例句
1.In contrast, halogens have high electron affinities, while alkali metals exhibit low electron affinity.
相比之下,卤素具有高电子亲和力,而碱金属表现出低电子亲和力。
2.Understanding the low electron affinity of an element helps predict its chemical behavior.
理解一个元素的低电子亲和力有助于预测其化学行为。
3.The low electron affinity of certain transition metals can affect their oxidation states.
某些过渡金属的低电子亲和力会影响它们的氧化态。
4.Elements with low electron affinity are less likely to gain electrons and form negative ions.
具有低电子亲和力的元素不太可能获得电子并形成负离子。
5.The low electron affinity of noble gases explains their lack of reactivity.
惰性气体的低电子亲和力解释了它们缺乏反应性的原因。
作文
In the study of chemistry, the concept of electron affinity plays a crucial role in understanding the behavior of atoms and their interactions. Electron affinity refers to the energy change that occurs when an electron is added to a neutral atom in the gas phase. Atoms with a high electron affinity tend to attract electrons more easily, while those with a low electron affinity (低电子亲和力) are less inclined to gain additional electrons. This distinction is important because it helps explain various chemical properties and reactions. Elements that exhibit a low electron affinity (低电子亲和力) typically belong to groups such as the noble gases or certain metals. Noble gases, for instance, have complete valence shells, making them stable and unreactive. Their reluctance to gain electrons is reflected in their low electron affinity (低电子亲和力), which contributes to their inert nature. On the other hand, some metals also show low electron affinity (低电子亲和力) because they prefer to lose electrons rather than gain them, leading to the formation of positive ions. Understanding the implications of low electron affinity (低电子亲和力) is essential for predicting how elements will behave in chemical reactions. For example, elements with low electron affinity (低电子亲和力) may not easily participate in redox reactions where electron transfer is critical. This can affect the reactivity of compounds formed with these elements, influencing everything from industrial processes to biological systems. Moreover, the low electron affinity (低电子亲和力) of certain elements can be advantageous in specific applications. For instance, materials that do not readily accept electrons can be useful in electronic devices, where stability and resistance to unwanted reactions are paramount. In contrast, elements with high electron affinities are often utilized in batteries and other energy storage systems where gaining electrons is necessary for function. In conclusion, the concept of low electron affinity (低电子亲和力) is fundamental in the field of chemistry. It influences the reactivity, stability, and application of various elements in both theoretical and practical contexts. By understanding the significance of low electron affinity (低电子亲和力), chemists can better predict how substances will interact, leading to advancements in technology and science. As we continue to explore the intricacies of atomic behavior, the role of electron affinity remains a key area of focus, shaping our understanding of the material world around us.
在化学研究中,电子亲和力的概念在理解原子的行为及其相互作用方面起着至关重要的作用。电子亲和力是指在气相中将一个电子添加到中性原子时发生的能量变化。具有高电子亲和力的原子倾向于更容易吸引电子,而那些具有低电子亲和力(低电子亲和力)的原子则不太倾向于获得额外的电子。这一区别很重要,因为它有助于解释各种化学性质和反应。表现出低电子亲和力(低电子亲和力)的元素通常属于贵气体或某些金属等族群。例如,贵气体具有完整的价电子层,使它们稳定且不活泼。它们对获得电子的不情愿反映在它们的低电子亲和力(低电子亲和力)中,这有助于解释它们的惰性特征。另一方面,一些金属也显示出低电子亲和力(低电子亲和力),因为它们更倾向于失去电子而不是获得电子,从而形成阳离子。理解低电子亲和力(低电子亲和力)的影响对于预测元素在化学反应中的行为至关重要。例如,具有低电子亲和力(低电子亲和力)的元素可能不会轻易参与需要电子转移的氧化还原反应。这会影响与这些元素形成的化合物的反应性,从而影响从工业过程到生物系统的方方面面。此外,某些元素的低电子亲和力(低电子亲和力)在特定应用中可能具有优势。例如,不易接受电子的材料可以在电子设备中发挥作用,在这些设备中,稳定性和抵抗不必要反应是至关重要的。相比之下,具有高电子亲和力的元素通常用于电池和其他储能系统中,这些系统需要获得电子以实现功能。总之,低电子亲和力(低电子亲和力)的概念在化学领域是基础性的。它影响各种元素的反应性、稳定性和应用,无论是在理论上还是实践中。通过理解低电子亲和力(低电子亲和力)的重要性,化学家可以更好地预测物质的相互作用,从而推动技术和科学的进步。随着我们继续探索原子行为的复杂性,电子亲和力的角色仍然是一个关键的关注领域,塑造着我们对周围物质世界的理解。
相关单词