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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.
Element Fluorine (F), Group 17, Atomic Number 9, p-block, Mass 18.998. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Fluorine - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.
21 lis 2020 · Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions.
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.
Identifiers. List of unique identifiers for Fluorine in various chemical registry databases. Fluorine is a chemical element of the periodic table with chemical symbol F and atomic number 9 with an atomic weight of 18.9984 u and is classed as a nonmetal.
