Fluorine - Wikipedia
Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen [note 1] and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.
Fluorine | Uses, Properties, & Facts | Britannica
2024年9月25日 · fluorine (F), most reactive chemical element and the lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Its chemical activity can be attributed to its extreme ability to attract electrons (it is the most electronegative element) and to the small size of its atoms.
Fluorine - Element information, properties and uses | Periodic Table
The most common fluorine minerals are fluorite, fluorspar and cryolite, but it is also rather widely distributed in other minerals. It is the 13th most common element in the Earth’s crust. Fluorine is made by the electrolysis of a solution of potassium hydrogendifluoride (KHF2) in anhydrous hydrofluoric acid.
氟 - 维基百科，自由的百科全书
氟 9 F. 氟 （英語： fluorine），是一種 化學元素， 化學符號 为 F， 原子序數 为9， 原子量 為 18.998 4032 u，是最轻的 卤素。. 具強氧化性。. 其单质在 标准状况 下为浅黄色的双原子气体，有剧毒。. 作为 电负性 最强的元素，氟极度活泼，几乎与所有其它元素 ...
FLUORINE中文(简体)翻译：剑桥词典 - Cambridge Dictionary
fluorine. noun [ U ] uk / ˈflɔː.riːn / us / ˈflɔːr.iːn / (symbol F) Add to word list. a chemical element that is a poisonous, pale yellow gas. 氟. (fluorine在剑桥英语-中文（简体）词典的翻译 © …
Fluorine (F) - Periodic Table
Fluorine is the 9th element in the periodic table and has a symbol of F and atomic number of 9. It has an atomic weight of 18.99840 and a mass number of 19. Fluorine has nine protons and ten neutrons in its nucleus, and nine electrons in two shells. It is located in group seventeen, period two and block p of the periodic table.
fluorine summary | Britannica
fluorine , Nonmetallic chemical element, chemical symbol F, atomic number 9. The lightest halogen, it is the most reactive element, forming compounds with all others except helium, neon, and argon (the lighter noble gas es). Its only valence is 1, in F …
Fluorine Facts - Atomic Number 9 or F - ThoughtCo
2019年7月3日 · Fluorine is the most electronegative element. Metals, glass, ceramics, carbon, and water will burn with a bright flame in fluorine. It is possible that fluorine can substitute for hydrogen in organic reactions. Fluorine has been known to form compounds with rare gases, including xenon, radon, and krypton.
Fluorine | Elements | RSC Education
Fluorine is a pale yellow gas (F2) and the first member of Group VII (the halogens). It is the most reactive of all the elements - only the noble gases helium and neon are unaffected by it. Fluorine has one isotope, fluorine-19, which is not radioactive.
Fluorine | F (Element) - PubChem
Fluorine is a chemical element with symbol F and atomic number 9. Classified as a halogen, Fluorine is a gas at room temperature.