{"id":114540,"date":"2022-02-09T00:39:22","date_gmt":"2022-02-08T23:39:22","guid":{"rendered":"https:\/\/material-properties.org\/neon-et-xenon-comparaison-proprietes\/"},"modified":"2022-03-28T10:27:11","modified_gmt":"2022-03-28T09:27:11","slug":"neon-et-xenon-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/neon-et-xenon-comparaison-proprietes\/","title":{"rendered":"N\u00e9on et X\u00e9non – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du n\u00e9on et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0N\u00e9on contre X\u00e9non.<\/em><\/p>\n

\"n\u00e9on<\/p>\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

\n
<\/span>Comparer le x\u00e9non avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

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

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

\"Krypton<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

N\u00e9on et X\u00e9non – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\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.
\n<\/p><\/div>

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

X\u00e9non<\/h3>\n

Le x\u00e9non est un gaz noble incolore, dense et inodore pr\u00e9sent dans l’atmosph\u00e8re terrestre \u00e0 l’\u00e9tat de traces.[10] Bien que g\u00e9n\u00e9ralement non r\u00e9actif, le x\u00e9non peut subir quelques r\u00e9actions chimiques. Le x\u00e9non a \u00e9t\u00e9 d\u00e9couvert pour la premi\u00e8re fois en 1898 par le chimiste \u00e9cossais William Ramsay et le chimiste anglais Morris Travers. Le nom x\u00e9non de ce gaz vient du mot grec \u03be\u03ad\u03bd\u03bf\u03bd [x\u00e9non], forme neutre singuli\u00e8re de \u03be\u03ad\u03bd\u03bf\u03c2 [xenos], signifiant \u00ab\u00e9tranger(er)\u00bb, \u00ab\u00e9tranger(r)\u00bb ou \u00abinvit\u00e9\u00bb. Dans l’industrie nucl\u00e9aire, en particulier le x\u00e9non artificiel 135 a un impact \u00e9norme sur le fonctionnement d’un r\u00e9acteur nucl\u00e9aire. Pour les physiciens et les op\u00e9rateurs de r\u00e9acteurs, il est important de comprendre les m\u00e9canismes qui produisent et \u00e9liminent le x\u00e9non du r\u00e9acteur pour pr\u00e9dire comment le r\u00e9acteur r\u00e9agira suite \u00e0 des changements de niveau de puissance.<\/p>\n<\/div>

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

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

\n

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

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

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

<\/div>\n
\n

N\u00e9on et X\u00e9non – Applications<\/h2>\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
\n
\n

X\u00e9non<\/a><\/h3>\n

Le x\u00e9non est utile dans les applications suivantes.\u00a0Le flash de lumi\u00e8re blanche produit par le x\u00e9non le rend appropri\u00e9 pour une utilisation dans les lumi\u00e8res stroboscopiques et pour alimenter les lasers \u00e0 rubis.\u00a0Le x\u00e9non est utilis\u00e9 dans les dispositifs \u00e9mettant de la lumi\u00e8re appel\u00e9s lampes flash au x\u00e9non, utilis\u00e9s dans les flashs photographiques et les lampes stroboscopiques.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

N\u00e9on et X\u00e9non – 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>\nN\u00e9on<\/b><\/td>\nX\u00e9non<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,0009g\/cm3<\/strong><\/td>\n0,0059g\/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-248\u00b0C<\/strong><\/td>\n-111,8\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-248,7\u00b0C<\/strong><\/td>\n-107,1\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,0493 W\/mK<\/strong><\/td>\n0,00565 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>\n0,904 J\/g\u00b7K<\/span><\/strong><\/td>\n0,158 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n0,3317 kJ\/mole<\/strong><\/td>\n2,297 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n1,7326 kJ\/mol<\/span><\/strong><\/td>\n12,636 kJ\/mole<\/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 n\u00e9on et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0N\u00e9on contre X\u00e9non. 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":"\nN\u00e9on et X\u00e9non - 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 n\u00e9on et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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