Fluorine - Wikipedia
网页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 …
Fluorine | Uses, Properties, & Facts | Britannica
网页2024年8月5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 Facts - chemicool.com
网页Fluorine is a pale yellow, diatomic, highly corrosive, flammable gas, with a pungent odor. It is the lightest halogen. It reacts violently with water to produce oxygen and the extremely corrosive hydrofluoric acid.
Fluorine (F) - Periodic Table
网页A poisonous pale yellow gaseous element belonging to group 17 of the periodic table (The halogens). It is the most chemically reactive and electronegative element. It is highly dangerous, causing severe chemical burns on contact with flesh. Fluorine was identified by Scheele in 1771 and first isolated by Moissan in 1886. Physical Properties.
Fluorine Facts - Atomic Number 9 or F - ThoughtCo
网页2019年7月3日 · Fluorine Facts - Atomic Number 9 or F. Fluorine Chemical and Physical Properties. The element fluorine is a greenish yellow gas. This a simulant, showing how fluorine appears (though the actual gas would be less intensely colored in small volumes). The real element would corrode even borosilicate glass.
Fluorine Facts, Symbol, Discovery, Properties, Uses - Chemistry …
网页Denoted by the chemical symbol F, fluorine (pronounced as FLU-eh-reen) is a highly reactive nonmetal existing naturally in the state of gas.
Fluorine - Element information, properties and uses | Periodic Table
网页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.
Fluorine (F) - Periodic Table
网页It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. As the most electronegative element, it is extremely reactive:almost all other elements, including some noble gases, form compounds with fluorine. Read more on Wikipedia. Physical properties. Thermal properties. Atomic properties.
Fluorine - The Chemical Elements
网页2020年4月9日 · This very pale yellow-green corrosive gas with a strong, pungent odor reaches its boiling point at -188°C, while the melting point is achieved at -219.6°C. Having an electronegativity of 3.98 according to Pauling and one valence electron, fluorine is the most electronegative element of the periodic table.
Pictures, stories, and facts about the element Fluorine in the …
网页Fluorine is a pale yellow gas that reacts violently with virtually everything, including glass. There's probably some in this fused quartz bulb (if it hasn't eaten its way out yet). Scroll down to see examples of Fluorine. Click here to buy a book, photographic periodic table poster, card deck, or 3D print based on the images you see here!
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