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Name, Fluorine ; Symbol, F ; Atomic Number, 9 ; Atomic Mass, 18.998 atomic mass units ; Number of Protons, 9. |
Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as pale yellow diatomic gas. ... Category:Fluorine · Fluorine-18 · Fluorine compounds · History of fluorine |
Atomic number, 9, Relative atomic mass, 18.998. State at 20°C, Gas, Key isotopes, 19F. Electron configuration, [He] 2s22p5, CAS number, 7782-41-4. ChemSpider ID ... |
3 июл. 2022 г. · The atomic number of fluorine is nine 9. Thus, a fluorine atom contains 9 protons and 9 electrons. flag flag Suggest Corrections |
30 июн. 2023 г. · Fluorine (F) is the first element in the Halogen group (group 17) in the periodic table. Its atomic number is 9 and its atomic weight is 19, ... |
5 нояб. 2018 г. · The atomic number of fluorine is 9, which means it has 9 electrons in its neutral state. However, the symbol 19F1- represents an ion of fluorine ... |
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