Fluorine
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| Fluorine | |
|---|---|
| Properties | |
| Atomic symbol | F |
| Atomic number | 9 |
| Classification | Halogen |
| Atomic mass | 19.0 amu |
| Other Information | |
| Date of discovery | 1886 |
| Name of discoverer | Joseph Henri Moissan |
| Name origin | From the Latin word fluo (flow) |
| Uses | Refrigerants |
| Obtained from | Mineral fluorite |
Fluorine is the lightest member of the halogen elements, or Group VIIa of the periodic table. It is also most reactive chemical element. Flourine is so dangerous that it must be stored in steel containers, and even then it reacts with the steel. Fortunately the layer of flouride that is formed is unreactive, and prevents it from reacting further. It is a component of many drugs, and its radioisotope is used in functional brain imaging and bone scans. Under ordinary conditions, fluorine is a gas with a pale yellow color. [1]
