allotropic modification

简明释义

同素异形体

英英释义

例句

1.Iron undergoes allotropic modification when heated, changing its structure from alpha to gamma.

铁在加热时经历同素异构体的变化，其结构从α相变为γ相。

2.Graphene is a recent discovery that results from the allotropic modification of carbon.

石墨烯是碳的同素异构体的变化所产生的最新发现。

3.The study of allotropic modification is essential in materials science to understand the properties of substances.

研究同素异构体的变化在材料科学中至关重要，以了解物质的性质。

4.The carbon atoms can exist in different forms due to allotropic modification, such as diamond and graphite.

由于同素异构体的变化，碳原子可以以不同的形式存在，例如钻石和石墨。

5.The allotropic modification of phosphorus leads to different allotropes like white and red phosphorus.

磷的同素异构体的变化导致了不同的同素异构体，如白磷和红磷。

作文

Allotropes are different forms of the same element, where the atoms are bonded together in distinct ways. A fascinating example of this phenomenon is found in carbon, which can exist in various forms, each with unique properties. The concept of allotropic modification (同素异性) refers to the ability of an element to exist in more than one form or structure, resulting in different physical and chemical properties. In the case of carbon, we see this in graphite, diamond, and fullerenes. Graphite is structured in layers, allowing it to be slippery and an excellent conductor of electricity. This property makes it ideal for use in pencils and batteries. On the other hand, diamond, with its tetrahedral structure, is renowned for its hardness and brilliance, making it a popular choice for jewelry and cutting tools. These contrasting characteristics arise from the allotropic modification (同素异性) of carbon, showcasing how the arrangement of atoms can lead to vastly different materials despite being composed of the same element.Another example can be seen in oxygen, which exists primarily in two allotropes: dioxygen (O2) and ozone (O3). Dioxygen is essential for respiration in most living organisms, while ozone plays a critical role in protecting the Earth from harmful ultraviolet radiation. The allotropic modification (同素异性) in this case highlights how the same element can serve different functions based on its molecular structure.The study of allotropic modification (同素异性) is not only important for understanding basic chemistry but also has significant implications in various fields, including materials science, medicine, and environmental science. For instance, the unique properties of carbon allotropes have led to advancements in nanotechnology, where materials like graphene—derived from graphite—are being explored for their remarkable strength and conductivity. Similarly, the understanding of ozone's formation and depletion is crucial for addressing environmental issues such as climate change and air quality.In conclusion, allotropic modification (同素异性) exemplifies the incredible versatility of elements and their potential applications. By studying these different forms, scientists can innovate and develop new materials and technologies that enhance our daily lives. The exploration of allotropes not only enriches our understanding of chemistry but also drives progress in various scientific domains, emphasizing the importance of this concept in both theoretical and practical contexts.