ThesaurusAntonymsRelated WordsSynonymsLegend: Switch tonew thesaurus Noun1.fluoridisation- the addition of a fluoride to the water supply (to prevent dental decay) fluoridation,fluoridization addition- the act of adding one thing to another; "the addition of flowers created a pleasing effect"; "...
Fluorine is the elemental form and is usually found in its ionic form which is called fluoride. As fluoride it forms salts with things like calcium, magnesium and sodium. Combining it with sodium produces sodium fluoride, which is similar to table salt (sodium chloride). It is estimated to ...
How many valence electrons are in a fluorine atom?If lithium and fluorine react, which has more attraction for an electron? Why?How many of the following is/are true about the element fluorine? (a) Fluorine is a halogen (b) Fluorine is in period 2 of the periodic table. (c...
What is the chemical formula for fluoride? How many valence electrons does fluorine have? What is the name of CaF2? Why does Fluorine have a valence of -1? How do you use the periodic table to identify this? Why does xenon react with fluorine? What is the order of the electrons in di...
a氟是人体中不可缺少的元素,适量的氟可以提高艰苦牙齿,提高牙齿抗酸能力 The fluorine is in the human body the essential element, the right amount fluorine may enhance the difficult tooth, sharpens the tooth acid resistance ability[translate]
Sodium fluoride is a substance that is a compound of the elements sodium and fluorine with the chemical formula of NaF...
If fluorine is so good for your teeth, where else do you think you might find it? Toothpaste, of course! Fluorine in toothpaste comes in a variety of compounds, such as sodium fluoride or sodium monofluorophosphate (sodium, oxygen, fluorine and phosphorous). ...
The’ fluorescence’ phenomenon was named after fluorite in 1852, being one of the first fluorescent minerals to be studied. The fluorine element was named after fluorite as well. Fluorine is an essential component in the fluoride chemical ion. Under ultraviolet UV light, fluorite is often fluores...
A process for preparing mono-fluoromethyl ether with a structurally related (57) [Abstract] fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether (sevoflurane), the monochloromethyl methyl is reacted with an amine salt of hydrofluoric acid with a sterically hindered, ether precursor method...
Why does Fluorine have a valence of -1? How do you use the periodic table to identify this? What is the atomicity of halogens? What do halogens like to react with? What is the functional difference between fluoride and fluorine? What do all halogens have in common? Why are halogens ...