{"id":114545,"date":"2022-02-09T02:29:28","date_gmt":"2022-02-09T01:29:28","guid":{"rendered":"https:\/\/material-properties.org\/fluor-et-neon-comparaison-proprietes\/"},"modified":"2022-03-28T10:32:10","modified_gmt":"2022-03-28T09:32:10","slug":"fluor-et-neon-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/fluor-et-neon-comparaison-proprietes\/","title":{"rendered":"Fluor et N\u00e9on – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du fluor et du n\u00e9on, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Fluor vs N\u00e9on.<\/em><\/p>\n

\"fluor<\/p>\n

\n
<\/span>Comparer le fluor avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Chlore<\/a><\/p>\n

\"N\u00e9on<\/a><\/p>\n

\"Fer<\/a><\/p>\n

\"Calcium<\/a><\/p>\n

\"Aluminium<\/a><\/p>\n

\"Hydrog\u00e8ne<\/a><\/p>\n

\"Oxyg\u00e8ne<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Comparer le n\u00e9on avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"H\u00e9lium<\/a><\/p>\n

\"Fluor<\/a><\/p>\n

\"Argon<\/a><\/p>\n

\"X\u00e9non<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Fluor et N\u00e9on – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Fluor<\/h3>\n

Le fluor est l’halog\u00e8ne le plus l\u00e9ger et existe sous forme de gaz diatomique jaune p\u00e2le hautement toxique dans des conditions standard. En tant qu’\u00e9l\u00e9ment le plus \u00e9lectron\u00e9gatif, il est extr\u00eamement r\u00e9actif: presque tous les autres \u00e9l\u00e9ments, y compris certains gaz nobles, forment des compos\u00e9s avec le fluor.
\n<\/p><\/div>

<\/div><\/div>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

N\u00e9on<\/h3>\n

Le n\u00e9on est un gaz monoatomique incolore, inodore et inerte dans des conditions standard, avec environ les deux tiers de la densit\u00e9 de l’air.<\/p>\n<\/div>

<\/div><\/div>\n<\/div><\/div>\n
<\/div>\n
\n

\"Fluor<\/p>\n<\/div><\/div>\n

\n

\"N\u00e9on<\/p>\n

<\/p><\/div><\/div>\n

Source : www.luciteria.com<\/p>\n

<\/div>\n
\n

Fluor et N\u00e9on – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Fluor<\/a><\/h3>\n

En raison des frais de raffinage du fluor pur, la plupart des applications commerciales utilisent des compos\u00e9s fluor\u00e9s, avec environ la moiti\u00e9 de la fluorite extraite utilis\u00e9e dans la fabrication de l’acier.\u00a0Le reste de la fluorite est converti en fluorure d’hydrog\u00e8ne corrosif en route vers divers fluorures organiques, ou en cryolite, qui joue un r\u00f4le cl\u00e9 dans le raffinage de l’aluminium.\u00a0La plupart des proc\u00e9d\u00e9s commerciaux d’enrichissement de l’uranium (diffusion gazeuse et m\u00e9thode de centrifugation gazeuse) exigent que l’uranium soit sous forme gazeuse. Par cons\u00e9quent, le concentr\u00e9 d’oxyde d’uranium doit d’abord \u00eatre converti en hexafluorure d’uranium, qui est un gaz \u00e0 des temp\u00e9ratures relativement basses.\u00a0Les mol\u00e9cules contenant une liaison carbone-fluor ont souvent une stabilit\u00e9 chimique et thermique tr\u00e8s \u00e9lev\u00e9e;\u00a0leurs principales utilisations sont les r\u00e9frig\u00e9rants, l’isolation \u00e9lectrique et les ustensiles de cuisine, le dernier \u00e9tant le PTFE (t\u00e9flon).<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

N\u00e9on<\/a><\/h3>\n

Le n\u00e9on est souvent utilis\u00e9 dans les enseignes et produit une lumi\u00e8re rouge\u00e2tre-orange incomparable.\u00a0Bien que les lampes \u00e0 tube avec d’autres couleurs soient souvent appel\u00e9es \u00ab\u00a0n\u00e9on\u00a0\u00bb, elles utilisent diff\u00e9rents gaz nobles ou des couleurs vari\u00e9es d’\u00e9clairage fluorescent.\u00a0Le n\u00e9on est \u00e9galement utilis\u00e9 pour fabriquer des indicateurs haute tension et des appareillages de commutation, des parafoudres, des \u00e9quipements de plong\u00e9e et des lasers.\u00a0Le n\u00e9on liquide est un r\u00e9frig\u00e9rant cryog\u00e9nique important.\u00a0Il a plus de 40 fois plus de puissance frigorifique par unit\u00e9 de volume que l’h\u00e9lium liquide et plus de 3 fois celle de l’hydrog\u00e8ne liquide.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Fluor et N\u00e9on – Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/td>\nFluor<\/b><\/td>\nN\u00e9on<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,0017g\/cm3<\/strong><\/td>\n0,0009g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n-219,8\u00b0C<\/strong><\/td>\n-248\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-188,1\u00b0C<\/strong><\/td>\n-248,7\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,0279 W\/mK<\/strong><\/td>\n0,0493 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,82 J\/g\u00b7K<\/span><\/strong><\/td>\n0,904 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n0,2552 kJ\/mole<\/strong><\/td>\n0,3317 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n3,2698 kJ\/mol<\/span><\/strong><\/td>\n1,7326 kJ\/mol<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du fluor et du n\u00e9on, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Fluor vs N\u00e9on. Source : www.luciteria.com<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"\nFluor et N\u00e9on - Comparaison - Propri\u00e9t\u00e9s - Material Properties<\/title>\n<meta name=\"description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du fluor et du n\u00e9on, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. 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