halogens的音标是[ˈhæləfəns],基本翻译是卤素。速记技巧是:谐音“海拉夫恨”。
Halogens这个词来源于希腊语,意为“卤素”,它们是一类化学元素,包括氟(Fluorine)、氯(Chlorine)、溴(Bromine)、碘(Iodine)和砹(Astatine)。这些元素的名称都与盐有关,因为它们都可以与金属和碱土金属形成盐类。
变化形式:
1. 复数形式:halogens。
2. 过去式和过去分词形式:halogenated 或 halogened。
相关单词:
1. Fluorine - 氟是一种非金属元素,具有高电负性和独特的电子构型,常见化合物有氟气、氟化氢等。
2. Chlorine - 氯是一种卤素,具有强烈的刺激性气味,常见化合物有氯气、次氯酸等。
3. Bromine - 溴是一种卤素,具有深红棕色液体,常见化合物有溴化物等。
4. Iodine - 碘是一种卤素,具有紫黑色晶体,常见化合物有碘化物等。
5. Astatine - 砹是一种稀有的放射性卤素,具有放射性,常见化合物有砹化物等。
6. Fluoride - 氟化物,一种无机化合物,常见于天然水体中。
7. Chloride - 氯化物,一种无机化合物,常见于自然界中。
8. Bromide - 溴化物,一种无机化合物,常见于化学实验中。
9. Iodide - 碘化物,一种无机化合物,常见于化学实验中。
10. Astatine chloride - 氯化砹是一种尚未制得的化学物质。
常用短语:
1. halogen lamp 卤素灯
2. halogen heater 卤素加热器
3. halogen vacuum tube 卤素真空管
4. bromine halogen 溴化物
5. iodine halogen 碘化物
6. chlorine halogen 氯化物
7. fluorine halogen 氟化物
例句:
1. The car"s headlights use halogen bulbs to provide better visibility in low light conditions.
2. The halogen heater is used to quickly boil water for tea or coffee.
3. The chemical properties of bromine halogen are closely related to each other.
4. Iodine halogen is a kind of important inorganic salt used in medicine and food industry.
5. The use of chlorine halogen in water treatment has been widely recognized.
6. The fluorine halogen is a kind of inorganic salt that is used in the manufacture of glass and ceramic materials.
7. Halogens are essential elements for the growth of bacteria and fungi.
英文小作文:
Halogens are essential elements that play a vital role in the chemical reactions of life. They are commonly found in the environment and are essential for the growth of bacteria, fungi, and plants. In addition, they are also used in various industrial processes, such as water treatment and the manufacture of glass and ceramic materials.
Bromine halogen and iodine halogen are particularly important inorganic salts that are widely used in the medical and food industries. These salts have unique chemical properties that make them valuable for various applications, such as anti-inflammatory drugs and iodine-based contrast agents for medical imaging.
On the other hand, chlorine halogen is widely recognized for its use in water treatment, where it is used to remove harmful bacteria and viruses from drinking water supplies. This process ensures the safety and purity of drinking water, which is crucial for public health and well-being.
In conclusion, halogens play a crucial role in various aspects of life and industry, from fundamental chemical reactions to advanced industrial processes and public health measures. Understanding their properties and uses is essential for a better understanding of our world and for developing innovative solutions to address various challenges.