noble gas

简明释义

稀有气体惰性气体

英英释义

例句

1.The atmosphere contains trace amounts of noble gases such as krypton and xenon.

大气中含有微量的惰性气体，如氪和氙。

2.Neon signs utilize the bright glow of noble gas when an electric current passes through them.

霓虹灯利用电流通过时发出的明亮光芒，使用的是惰性气体。

3.Helium, a type of noble gas, is often used in balloons because it is lighter than air.

氦气，一种惰性气体，常用于气球，因为它比空气轻。

4.Inert noble gases like argon are commonly used in welding to protect the weld area from oxidation.

像氩气这样的惰性惰性气体常用于焊接，以保护焊接区域免受氧化。

5.Because they do not react easily, noble gases are often used in lighting applications.

由于它们不容易反应，惰性气体常用于照明应用。

作文

Noble gases, represented in the periodic table as group 18 elements, are a unique class of gases that exhibit remarkable properties. These gases include helium, neon, argon, krypton, xenon, and radon. One of the most fascinating aspects of noble gas (惰性气体) is their complete lack of reactivity under standard conditions. This is due to their full valence shell of electrons, which makes them stable and unlikely to form chemical bonds with other elements. The discovery of noble gases (惰性气体) can be traced back to the late 19th century. Sir William Ramsay and his colleagues played a significant role in isolating these gases from the atmosphere. Their work not only expanded our understanding of the periodic table but also paved the way for further research into the properties and applications of these gases. One of the most well-known uses of noble gas (惰性气体) is in lighting. For instance, neon lights, which glow with a bright orange-red color, are made by passing an electric current through neon gas. Similarly, argon is used in fluorescent lights and various types of gas discharge lamps. The ability of noble gases (惰性气体) to produce distinct colors when electrified makes them highly valuable in decorative lighting and signage. In addition to their applications in lighting, noble gases (惰性气体) also play a crucial role in scientific research and industry. For example, helium is used in cryogenics, particularly in cooling superconducting magnets. Its low boiling point makes it ideal for maintaining extremely low temperatures necessary for various experiments and technologies. Furthermore, xenon is utilized in specialized imaging techniques, including certain types of medical imaging, due to its unique properties. Another interesting characteristic of noble gases (惰性气体) is their use in providing an inert atmosphere for chemical reactions. In laboratories, argon and nitrogen are often employed to create an environment free from oxygen and moisture, preventing unwanted reactions during sensitive experiments. This inertness is a key reason why these gases are labeled as noble gases (惰性气体) since they do not easily engage in chemical reactions with other elements. Despite their stability, research into noble gases (惰性气体) has revealed some intriguing possibilities. Scientists have been investigating methods to induce reactions involving these gases, leading to the synthesis of new compounds. For example, under extreme conditions, xenon can form compounds with fluorine, showcasing that even the most stable elements can exhibit reactivity under specific circumstances. In conclusion, noble gases (惰性气体) are a fascinating group of elements that have captured the interest of scientists and industries alike. Their unique properties, including low reactivity, distinct luminescence, and applications in various fields, make them essential in both practical and theoretical chemistry. As research continues, we may uncover even more about these enigmatic gases and their potential uses in the future.

惰性气体，作为元素周期表第18组的元素，是一种独特的气体类别，展现出显著的特性。这些气体包括氦、氖、氩、氪、氙和氡。惰性气体（noble gas）最迷人的一个方面是它们在标准条件下完全不反应。这是因为它们的电子外壳已满，使得它们稳定且不容易与其他元素形成化学键。惰性气体（noble gas）的发现可以追溯到19世纪末。威廉·拉姆齐爵士及其同事在从大气中分离这些气体方面发挥了重要作用。他们的工作不仅扩展了我们对元素周期表的理解，还为进一步研究这些气体的性质和应用铺平了道路。惰性气体（noble gas）最著名的用途之一是在照明中。例如，霓虹灯在通过氖气时发出明亮的橙红色光。类似地，氩气被用于荧光灯和各种类型的气体放电灯。惰性气体（noble gas）在通电时产生独特颜色的能力使它们在装饰照明和标识中具有很高的价值。除了在照明中的应用外，惰性气体（noble gas）在科学研究和工业中也发挥着至关重要的作用。例如，氦用于低温技术，特别是在冷却超导磁体中。它的低沸点使其成为维持各种实验和技术所需极低温度的理想选择。此外，氙因其独特的性质而被用于某些类型的医学成像等特殊成像技术。惰性气体（noble gas）另一个有趣的特性是它们在提供惰性气氛以进行化学反应中的使用。在实验室中，氩气和氮气通常被用于创造一个无氧和湿气的环境，以防止在敏感实验中发生不必要的反应。这种惰性是这些气体被称为惰性气体（noble gas）的关键原因，因为它们不容易与其他元素发生化学反应。尽管它们稳定，但对惰性气体（noble gas）的研究揭示了一些引人入胜的可能性。科学家们一直在研究诱导这些气体反应的方法，从而合成新化合物。例如，在极端条件下，氙可以与氟形成化合物，展示出即使是最稳定的元素在特定情况下也能表现出反应性。总之，惰性气体（noble gas）是一组迷人的元素，引起了科学家和各行各业的兴趣。它们独特的性质，包括低反应性、独特的发光性以及在各个领域的应用，使它们在实际和理论化学中都是不可或缺的。随着研究的继续，我们可能会发现更多关于这些神秘气体及其未来潜在用途的信息。