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Look up:
Fluorine
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fluorine
[n] - a nonmetallic univalent element belonging to the halogens
Found op http://www.webdictionary.co.uk/definition.php?query=fluorine
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Fluorine
Fluorine is a pale greenish yellow gas that is the first in the halogen group. Symbol F
Found op http://www.diracdelta.co.uk/science/source/f/l/fluorine/source.html
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Fluorine
Flu'or·ine (flū'ŏr*ĭn or -ēn; 104) noun [ New Latin fluorina : confer German fluorin , French fluorine . So called from its occurrence in the mineral fluorite .] (Chemistry) A non-metallic,...
Found op http://www.encyclo.co.uk/webster/F/49
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fluorine
<chemistry, element> A non-metallic, gaseous element, strongly acid or negative, or associated with chlorine, bromine, and iodine, in the halogen group of which it is the first member. It always occurs combined, is very active chemically, and possesses such an avidity for most elements, and si...
Found op http://www.mondofacto.com/facts/dictionary?fluorine
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fluorine
(F) (floor´ēn) a chemical element, atomic number 9, atomic weight 18.998. fluorine 18 a radioactive isotope of fluorine, atomic mass 18, having a half-life of 1.8925 hours; it has been used as a tracer in positron emission tomography.
Found op http://www.encyclo.co.uk/local/21001
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Fluorine
• (n.) A non-metallic, gaseous element, strongly acid or negative, or associated with chlorine, bromine, and iodine, in the halogen group of which it is the first member. It always occurs combined, is very active chemically, and possesses such an avidity for most elements, and silicon especiall...
Found op http://thinkexist.com/dictionary/meaning/fluorine/
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fluorine
most reactive chemical element and the lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.[15 related articles]
Found op http://www.britannica.com/eb/a-z/f/40
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fluorine
(F) A pale yellow, highly corrosive, highly poisonous, gaseous element. It occurs naturally as fluorite, cryolite, and fluorapatite (see apatite). Fluorine is the lightest halogen and the most electronegative, oxidizing, and reactive of all the elements. Steel wool bursts i...
Found op http://www.daviddarling.info/encyclopedia/F/fluorine.html
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fluorine
fluorine (flOO'urēn, –rin) , gaseous chemical element; symbol F; at. no. 9; at. wt. 18.998403; m.p. -219.6°C; b.p. -188.14°C; density 1.696 grams per liter at STP; valence -1. Fluorine is a yellowish, poisonous, highly corrosive gas. It is the most chemically active nonmetall...
Found op http://www.infoplease.com/ce6/sci/A0819000.html
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Fluorine
Fluorine is a very poisonous greenish-yellow gaseous element with the symbol F belonging to the group known as the halogens. It is the most chemically reactive element (many substances ignite spontaneously in it), and for this reason it is never found uncombined. Fluorine was isolated in 1886 by Moi...
Found op http://www.probertencyclopaedia.com/browse/GF.HTM
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fluorine
(F) Type: Term Pronunciation: flōr′ēn Definitions: 1. A gaseous chemical element, atomic no. 9, atomic wt. 18.9984032; 18F (half-life of 1.83 h) is used as a diagnostic aid in various tissue scans.
Found op http://www.medilexicon.com/medicaldictionary.php?t=34160
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fluorine
Pale yellow, gaseous, non-metallic element, atomic number 9, relative atomic mass 19. It is the first member of the halogen group of elements, and is pungent, poisonous, and highly reactive, uniting directly with nearly all the elements. It occurs naturally as the minerals fluorite (CaF2)...
Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0009995.html
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Fluorine
Fluorine (/flɔriːn/) is the chemical element with atomic number 9, represented by the symbol F. It is the lightest element of the halogen column of the periodic table and has a single stable isotope, fluorine-19. At standard pressure and temperature, fluorine is a pale yellow gas composed of diat...
Found op http://en.wikipedia.org/wiki/Fluorine
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fluorine
1) Atomic number 9 2) Chemical element 3) Element 4) F 5) Gas 6) Halogen 7) Poisonous yellow gas
Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/fluorine/1
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