{"id":14269,"date":"2015-09-02T08:08:38","date_gmt":"2015-09-02T06:08:38","guid":{"rendered":"https:\/\/tls.giangocomunicazione.it\/la-natura-elettrica-del-legame-tra-atomi-labbaglio-di-berzelius\/"},"modified":"2015-09-02T08:08:38","modified_gmt":"2015-09-02T06:08:38","slug":"la-natura-elettrica-del-legame-tra-atomi-labbaglio-di-berzelius","status":"publish","type":"post","link":"https:\/\/www.toscanalifesciences.org\/it\/news-e-eventi\/la-natura-elettrica-del-legame-tra-atomi-labbaglio-di-berzelius\/","title":{"rendered":"La natura elettrica del legame tra atomi. L\u2019abbaglio di Berzelius"},"content":{"rendered":"<p>J\u00f6ns Jacob Berzelius (1779-1848), insigne chimico svedese, nel tentativo di mantenere in vita le teorie che era riuscito a formulare e che, attraverso gli esperimenti, aveva cercato di dimostrare, ostacol\u00f2 per cinquant\u2019anni il progresso della chimica. Egli si era intestardito nel ritenere che il legame fra gli atomi dovesse essere sempre e in ogni caso di natura elettrica; non poteva quindi ammettere che due atomi uguali potessero unirsi a formare una molecola come aveva suggerito il chimico torinese Amedeo Avogadro (1776-1856). Berzelius godeva di fama e prestigio indiscussi tanto da scoraggiare gli altri chimici all\u2019approfondimento del problema. Con un oppositore influente e autoritario come fu Berzelius l\u2019ipotesi molecolare di Avogadro non venne accettata dai chimici fino a quando un\u2019irrimediabile confusione nella ricerca della struttura della materia non li costrinse a farlo. In verit\u00e0 l\u2019ipotesi di Avogadro spiegava in modo chiaro e coerente alcune leggi della chimica senza le quali non era possibile risolvere certi problemi fondamentali come quello relativo alla determinazione dei pesi atomici e alla conseguente definizione dei rapporti ponderali fra atomi all\u2019interno dei composti. Cos\u00ec, per difendere un dogma dimostratosi in seguito del tutto errato, il progresso della chimica si blocc\u00f2 per lunghi anni e Avogadro mor\u00ec senza vedere riconosciuta l\u2019esattezza della sua intuizione.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J\u00f6ns Jacob Berzelius (1779-1848), insigne chimico svedese, nel tentativo di mantenere in vita le teorie che era riuscito a formulare&#8230;<\/p>\n","protected":false},"author":1,"featured_media":14270,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La natura elettrica del legame tra atomi. 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