{"id":1049,"date":"2023-07-19T08:49:22","date_gmt":"2023-07-19T08:49:22","guid":{"rendered":"https:\/\/chemuza.org\/pt\/atomo\/"},"modified":"2023-07-19T08:49:22","modified_gmt":"2023-07-19T08:49:22","slug":"atomo","status":"publish","type":"post","link":"https:\/\/chemuza.org\/pt\/atomo\/","title":{"rendered":"\u00c1tomo de h\u00e9lio"},"content":{"rendered":"<p>O <strong>\u00e1tomo de h\u00e9lio<\/strong> consiste em 2 pr\u00f3tons, 2 n\u00eautrons e 2 el\u00e9trons em sua camada. Seu n\u00facleo \u00e9 positivo e cada um possui uma estrutura est\u00e1vel diferente que d\u00e1 potencial a este elemento. Ent\u00e3o conhe\u00e7a de perto esse segmento do elemento e anote o que \u00e9, como identific\u00e1-lo e suas caracter\u00edsticas.<\/p>\n<h2> Qual \u00e9 o \u00e1tomo de h\u00e9lio?<\/h2>\n<p> O h\u00e9lio \u00e9 o segundo elemento mais leve e abundante no planeta Terra, 10% dos n\u00facleos existentes s\u00e3o feitos deste elemento. <strong>O \u00e1tomo de h\u00e9lio possui 2 pr\u00f3tons, 2 n\u00eautrons no n\u00facleo e 2 el\u00e9trons.<\/strong> Todas as suas part\u00edculas est\u00e3o unidas gra\u00e7as \u00e0 energia nuclear, o que \u00e9 atraente.<\/p>\n<p> Da mesma forma, <strong>os pr\u00f3tons, sendo eletricamente carregados, aplicam repuls\u00e3o eletrost\u00e1tica ao n\u00facleo<\/strong> , afetando assim a sua estabilidade. Al\u00e9m disso, os n\u00eautrons proporcionam atra\u00e7\u00e3o nuclear, contribuindo assim para a estabilidade do n\u00facleo.<\/p>\n<h2> Como identificar um \u00e1tomo de h\u00e9lio?<\/h2>\n<p> O \u00e1tomo deste elemento \u00e9 o mais simples de resolver utilizando as regras da mec\u00e2nica qu\u00e2ntica. <strong>\u00c9 identificado pelos seus 2 el\u00e9trons orbitando pr\u00f3ximo ao n\u00facleo, acompanhados de 2 pr\u00f3tons com 1 ou 2 n\u00eautrons est\u00e1veis<\/strong> . Isso pode variar dependendo do n\u00famero de is\u00f3topos ou da varia\u00e7\u00e3o no n\u00famero de n\u00eautrons no n\u00facleo. No caso do h\u00e9lio, sabemos que ele \u00e9 composto por 8 is\u00f3topos, sendo os mais est\u00e1veis o 3He e o 4He.<\/p>\n<h2> principais caracter\u00edsticas<\/h2>\n<p> Este \u00e1tomo forma diversas mol\u00e9culas e diferentes materiais. A <strong>massa do \u00e1tomo de h\u00e9lio<\/strong> \u00e9 4,0026 u, de natureza est\u00e1vel. Na tabela peri\u00f3dica dos elementos encontramos outras caracter\u00edsticas deste \u00e1tomo, que est\u00e3o listadas a seguir:<\/p>\n<ul type=\"1\">\n<li> <strong>N\u00famero at\u00f4mico<\/strong> : identificado pela letra Z e este n\u00famero expressa o n\u00famero de pr\u00f3tons presentes no n\u00facleo. No caso do h\u00e9lio tem 2 pr\u00f3tons e est\u00e1 escrito (Z = 2)<\/li>\n<li> <strong>N\u00famero de massa<\/strong> : Representado pela letra A, designa a soma dos n\u00eautrons e pr\u00f3tons do elemento.<\/li>\n<li> <strong>Is\u00f3topos<\/strong> : S\u00e3o \u00e1tomos no n\u00facleo com o mesmo n\u00famero de pr\u00f3tons, mas um n\u00famero diferente de n\u00eautrons.<\/li>\n<\/ul>\n<p> Em resumo, o h\u00e9lio e o seu \u00e1tomo s\u00e3o os mais fundamentais de todos os elementos da tabela. \u00c9 est\u00e1vel e bem identificado em sua \u00f3rbita de 2 el\u00e9trons.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O \u00e1tomo de h\u00e9lio consiste em 2 pr\u00f3tons, 2 n\u00eautrons e 2 el\u00e9trons em sua camada. Seu n\u00facleo \u00e9 positivo e cada um possui uma estrutura est\u00e1vel diferente que d\u00e1 potencial a este elemento. Ent\u00e3o conhe\u00e7a de perto esse segmento do elemento e anote o que \u00e9, como identific\u00e1-lo e suas caracter\u00edsticas. Qual \u00e9 o &#8230; <a title=\"\u00c1tomo de h\u00e9lio\" class=\"read-more\" href=\"https:\/\/chemuza.org\/pt\/atomo\/\" aria-label=\"Mais em \u00c1tomo de h\u00e9lio\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1049","post","type-post","status-publish","format-standard","hentry","category-helio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c1tomo de h\u00e9lio | O que \u00e9, como identific\u00e1-lo e suas caracter\u00edsticas<\/title>\n<meta name=\"description\" content=\"O \u00e1tomo de h\u00e9lio \u00e9 objeto constante de estudo dada sua simplicidade e estrutura est\u00e1vel no orbital s. 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