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Fluorine: Difference between revisions
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== Introduction == | == Introduction == | ||
Fluorine (Latin: fluere, meaning "to flow") is one of the chemical elements. Fluorine has atomic number ‘9’, and symbol ‘F’. Fluorine is poisonous (toxic) and pale, yellow-green, and corrosive gas. This element is very chemically reactive and electronegative. Especially with water, it is very dangerous. Fluorine is very useful, so it is used for a lot of places. Especially, fluorine is used for toothpaste. Every toothpastes contain fluorine. | Fluorine (Latin: fluere, meaning "to flow") is one of the chemical elements. Fluorine has atomic number ‘9’, and symbol ‘F’. Fluorine is poisonous (toxic) and pale, yellow-green, and corrosive gas. This element is very chemically reactive and electronegative. It reacts with all organic and inorganic substances. Especially with water, it is very dangerous. Fluorine is very useful, so it is used for a lot of places. Especially, fluorine is used for toothpaste. Every toothpastes contain fluorine. | ||
== Properties == | == Properties == | ||
