halogen是什么意思_halogen用法和例句

halogen是什么意思

n. 卤素
[化] 卤素

n. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions

halogen的用法和例句

1.Hydrogen creates an acid with each of the halogens.

氢和每一种卤素都能形成酸

2.Red for pnictogens and chalcogens and blue for halogens.

红色代表氮和硫元素 蓝色代表卤素

3.flashlights, lowwattage can’t be too bright, nothing with halogen bulbs.

手电筒 要小功率的 不能太亮 不要卤素灯泡

4.And you would be very reasonable to expect that the reactivity of the halogen would correspond directly to how caustic the acid that it makes with hydrogen would be.

你肯定会自然而然地 认为卤素与氢形成的酸的腐蚀性 会直接随着 卤素自身的反应性的增强而增强

5.I’m gonna scrape off the particles and see if the mass spectrometer can identify what type of halogen.

我要刮点微粒下来 看看质谱仪能否辨认卤素种类