{"id":107,"date":"2014-11-20T12:24:53","date_gmt":"2014-11-20T12:24:53","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=107"},"modified":"2024-09-02T16:53:39","modified_gmt":"2024-09-02T16:53:39","slug":"resolucao-comentada-da-uel-2015","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/universidades-2015\/exercicios-da-uel-2015\/resolucao-comentada-da-uel-2015\/","title":{"rendered":"Resolu\u00e7\u00e3o comentada da UEL 2015"},"content":{"rendered":"

RESOLU\u00c7\u00d5ES<\/span><\/span><\/span><\/p>\n

01- <\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

02-<\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

03- <\/span><\/span><\/span>( ) <\/b><\/span><\/span><\/span>De acordo com o <\/b><\/span><\/span>modelo at\u00f4mico de Rutherford<\/b><\/span><\/span><\/span>, o \u00e1tomo \u00e9 constitu\u00eddo por duas regi\u00f5es<\/b><\/span><\/span><\/span><\/p>\n

distintas: <\/b><\/span><\/span><\/span>o n\u00facleo e a eletrosfera.<\/b><\/span><\/span><\/span><\/p>\n

(Verdadeira) <\/b><\/span><\/span><\/span>— O <\/b><\/span><\/span><\/span>modelo at\u00f4mico de Rutherford <\/b><\/span><\/span><\/span>sugeriu ent\u00e3o, um <\/b><\/span><\/span><\/span>\u00e1tomo<\/b><\/span><\/span><\/span> com <\/b><\/span><\/span><\/span>\u00f3rbitas circulares<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

dos el\u00e9trons em volta do n\u00facleo<\/b><\/span><\/span><\/span>. Comparou o \u00e1tomo com <\/b><\/span><\/span><\/span>o Sistema Solar, onde os el\u00e9trons seriam os planetas e o n\u00facleo seria o Sol.<\/b><\/span><\/span><\/span><\/p>\n

( ) Thomson<\/b><\/span><\/span><\/span> prop\u00f4s um <\/b><\/span><\/span>modelo que descrevia o \u00e1tomo como uma esfera carregada positivamente,<\/b><\/span><\/span><\/span><\/p>\n

na qual estariam incrustados os el\u00e9trons, com carga negativa.<\/b><\/span><\/span><\/span><\/p>\n

(Verdadeira) <\/b><\/span><\/span><\/span>— Para <\/b><\/span><\/span>Thomson,<\/b><\/span><\/span><\/span> o \u00e1tomo era uma <\/b><\/span><\/span>esfera de carga el\u00e9trica positiva \u201crecheada\u201d de<\/b><\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

el\u00e9trons de carga negativa<\/b><\/span><\/span><\/span>. Esse modelo ficou conhecido como <\/b><\/span><\/span>\u201cpudim de passas\u201d. <\/b><\/span><\/span><\/span><\/p>\n

( ) <\/b><\/span><\/span><\/span>No experimento <\/b><\/span><\/span>orientado por Rutherford<\/b><\/span><\/span><\/span>, o <\/b><\/span><\/span>desvio das part\u00edculas alfa era resultado da sua aproxima\u00e7\u00e3o com cargas negativas presentes no n\u00facleo do \u00e1tomo.<\/b><\/span><\/span><\/span><\/p>\n

(Falsa) — <\/b><\/span><\/span><\/span>Rutherford<\/b><\/span><\/span><\/span> concluiu que <\/b><\/span><\/span><\/span>o <\/b><\/span><\/span>\u00e1tomo tem n\u00facleo positivo (+), <\/b><\/span><\/span><\/span>j\u00e1 que <\/b><\/span><\/span>part\u00edculas alfa desviavam algumas vezes.<\/b><\/span><\/span><\/span><\/p>\n

( )<\/b><\/span><\/span><\/span> Ao considerar a <\/b><\/span><\/span>carga das part\u00edculas b\u00e1sicas <\/b><\/span><\/span><\/span>(pr\u00f3tons, el\u00e9trons e n\u00eautrons), em um \u00e1tomo<\/b><\/span><\/span><\/span><\/p>\n

neutro,<\/b><\/span><\/span><\/span> o <\/b><\/span><\/span>n\u00famero de pr\u00f3tons deve ser superior ao de el\u00e9trons.<\/b><\/span><\/span><\/span><\/p>\n

(Falsa) — <\/b><\/span><\/span><\/span> ao considerar a <\/b><\/span><\/span>carga das part\u00edculas b\u00e1sicas <\/b><\/span><\/span><\/span>(pr\u00f3tons, el\u00e9trons e n\u00eautrons), em um \u00e1tomo<\/b><\/span><\/span><\/span> <\/b>neutro,<\/b><\/span><\/span><\/span> o <\/b><\/span><\/span>n\u00famero de pr\u00f3tons deve ser <\/b><\/span><\/span><\/span>igual<\/b><\/span><\/span><\/span> ao de el\u00e9trons.<\/b><\/span><\/span><\/span><\/p>\n

( ) <\/b><\/span><\/span><\/span>Os \u00e1tomos de um <\/b><\/span><\/span>mesmo elemento qu\u00edmico <\/b><\/span><\/span><\/span>devem apresentar o <\/b><\/span><\/span>mesmo n\u00famero at\u00f4mico<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/p>\n

(Verdadeira) <\/b><\/span><\/span><\/span>— \u00e1tomos de um <\/b><\/span><\/span>mesmo elemento qu\u00edmico <\/b><\/span><\/span><\/span>apresentam<\/b><\/span><\/span> <\/b>o <\/b><\/span><\/span>mesmo n\u00famero at\u00f4mico<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

04- <\/span><\/span><\/span>Os f\u00edsicos, <\/b><\/span><\/span><\/span>Murray Gell-Mann e George<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>Zweig<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span> <\/b>desenvolveram, independentemente, um modelo para classificar as <\/b><\/span><\/span><\/span>Part\u00edculas Elementares<\/b><\/span><\/span><\/span>.<\/b><\/span><\/span><\/span> Segundo esse modelo (<\/b><\/span><\/span><\/span>hoje conhecido como<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>Modelo dos<\/b><\/span><\/span><\/span> <\/b>Quarks<\/b><\/span><\/span><\/span>), os<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>h\u00e1drons<\/b><\/span><\/span><\/span>\u00a0<\/b><\/span><\/span><\/span>(<\/b><\/span><\/span><\/span>b\u00e1rions<\/b><\/span><\/span><\/span>,<\/b><\/span><\/span><\/span> m\u00e9sons e outras part\u00edculas subat\u00f4micas) <\/b><\/span><\/span><\/span>formavam os <\/b><\/span><\/span><\/span>quarks,<\/b><\/span><\/span><\/span> que por sua vez eram componentes dos <\/b><\/span><\/span><\/span>pr\u00f3tons e n\u00eautrons. <\/b><\/span><\/span><\/span><\/p>\n

R- A<\/b><\/span><\/span><\/span><\/p>\n

05- <\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

R- E<\/b><\/span><\/span><\/span><\/p>\n

06- <\/span><\/span><\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

Voltar para os Exerc\u00edcios<\/a><\/span><\/h3>\n","protected":false},"excerpt":{"rendered":"

RESOLU\u00c7\u00d5ES 01- 02- 03- ( ) De acordo com o modelo at\u00f4mico de Rutherford, o \u00e1tomo \u00e9 constitu\u00eddo por duas regi\u00f5es distintas: o n\u00facleo e a eletrosfera. (Verdadeira) — O modelo at\u00f4mico de Rutherford sugeriu ent\u00e3o, um \u00e1tomo com \u00f3rbitas circulares dos el\u00e9trons em volta do n\u00facleo. Comparou o \u00e1tomo com o Sistema Solar, onde os el\u00e9trons seriam os planetas<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":105,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-107","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=107"}],"version-history":[{"count":2,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/107\/revisions"}],"predecessor-version":[{"id":109,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/107\/revisions\/109"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/105"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}