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. Fluorine is extremely reactive …

Element Fluorine (F), Group 17, Atomic Number 9, p-block, Mass 18.998. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

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 …

May 17, 2014 · This element list includes the names, symbols, and atomic numbers of all 118 chemical elements, arranged in order of increasing atomic number. The atomic number is the …

Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, …

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.

What is Fluorine? Fluorine has the symbol F and is the ninth element in the periodic table. Normally, fluorine is a gas with a pale yellow color that is made up of diatomic molecules, F2. …

Jun 10, 2025 · Get periodic table facts on the chemical and physical properties of the element fluorine. Fluorine is atomic number 9 with element symbol F.

Chemistry of the Elements by N. N. Greenwood (Author), A. Earnshaw (Author). Published by Butterworth-Heinemann; 2nd edition. December 9, 1997 (amazon.com paid link).

In 1810, French scientist Andre-Marie Ampere proposed that fluoric acid was a compound of hydrogen with a new element. The element was finally isolated in 1886 by Henri Moissan. …