rare gas

简明释义

稀有气体

英英释义

例句

1.Xenon is a rare gas 稀有气体 that is used in high-performance flashlights.

氙是一种用于高性能手电筒的稀有气体 稀有气体。

2.Neon lights are made possible due to the properties of rare gases 稀有气体 like neon.

霓虹灯的实现得益于像氖这样的稀有气体 稀有气体的特性。

3.The rare gases 稀有气体 are found in Group 18 of the periodic table.

在周期表中，稀有气体 稀有气体位于第18组。

4.Helium is a common example of a rare gas 稀有气体 used in balloons.

氦是一种常见的稀有气体 稀有气体，用于充气球。

5.Argon is often used in welding because it is a rare gas 稀有气体 that does not react with metals.

氩气常用于焊接，因为它是一种与金属不反应的稀有气体 稀有气体。

作文

The term rare gas refers to a group of noble gases that are found in the far right column of the periodic table. These gases, including helium, neon, argon, krypton, xenon, and radon, are characterized by their lack of reactivity due to having a complete valence shell of electrons. This unique property makes rare gases quite distinct from other elements, as they do not readily form compounds with other elements. The reason for their rarity is primarily due to their inert nature, which allows them to exist in a gaseous state under standard conditions without interacting with other substances.One of the most fascinating aspects of rare gases is their application in various fields. For instance, helium, the second lightest element in the universe, is widely used in balloons and airships because it is lighter than air and non-flammable. Neon, another rare gas, is famous for its use in colorful neon signs. When an electric current passes through neon gas, it emits a bright red-orange glow, making it a popular choice for advertising and decoration.In scientific research, rare gases play a crucial role as well. Argon is often used in welding processes to protect the weld area from atmospheric gases, preventing oxidation and contamination. Krypton and xenon are employed in high-performance lighting and photography due to their ability to produce bright, efficient light. Additionally, radon, despite being radioactive, has applications in cancer treatment and radiation therapy.The environmental impact of rare gases is minimal, as they do not contribute to pollution or greenhouse gas effects. Their inert nature means they do not react with other chemicals, which is why they are considered safe for various uses. However, the extraction and production of these gases must be managed responsibly to ensure sustainability. For example, helium is a finite resource that is primarily extracted from natural gas deposits. As demand continues to rise for its applications in technology and medicine, concerns about its depletion have prompted researchers to explore alternative sources and methods of production.In conclusion, rare gases are a remarkable group of elements that offer unique properties and applications across multiple industries. From their use in everyday items like balloons and neon signs to their critical roles in scientific research and medical treatments, the significance of rare gases cannot be overstated. As we continue to innovate and seek new technologies, understanding and utilizing these gases responsibly will be essential for future advancements. Their rarity and unique characteristics make them a subject of ongoing interest and study in the scientific community, highlighting the importance of chemistry in our daily lives.

术语rare gas指的是周期表最右侧一列的一组惰性气体。这些气体包括氦、氖、氩、氪、氙和氡，因其电子外层完全而缺乏反应性而具有独特的特征。这个独特的属性使得rare gases与其他元素截然不同，因为它们不会轻易与其他元素形成化合物。它们稀有的原因主要是由于它们的惰性，这使得它们在标准条件下以气态存在，而不与其他物质发生相互作用。rare gases最迷人的方面之一是它们在各个领域的应用。例如，氦是宇宙中第二轻的元素，广泛用于气球和飞艇，因为它比空气轻且不易燃。氖，另一种rare gas，因其在五光十色的霓虹灯中的使用而闻名。当电流通过氖气时，它会发出明亮的红橙色光，使其成为广告和装饰的热门选择。在科学研究中，rare gases也发挥着至关重要的作用。氩通常用于焊接过程中，以保护焊接区域免受大气气体的影响，防止氧化和污染。氪和氙因其能够产生明亮、高效的光而被应用于高性能照明和摄影。此外，氡尽管是放射性的，但在癌症治疗和放射疗法中也有应用。rare gases对环境的影响微乎其微，因为它们不导致污染或温室气体效应。它们的惰性特性意味着它们不会与其他化学物质反应，这就是为什么它们被认为在各种用途上是安全的。然而，这些气体的提取和生产必须得到负责任的管理，以确保可持续性。例如，氦是一种有限资源，主要从天然气储层中提取。随着技术和医学应用需求的持续上升，对其枯竭的担忧促使研究人员探索替代来源和生产方法。总之，rare gases是一组卓越的元素，提供了独特的特性和多种行业的应用。从它们在气球和霓虹灯等日常物品中的使用，到它们在科学研究和医疗治疗中的关键角色，rare gases的重要性不容小觑。随着我们继续创新并寻求新技术，负责任地理解和利用这些气体将对未来的进步至关重要。它们的稀有性和独特特性使它们成为科学界持续关注和研究的主题，突显了化学在我们日常生活中的重要性。