{"id":74,"date":"2023-07-26T11:16:09","date_gmt":"2023-07-26T11:16:09","guid":{"rendered":"https:\/\/chemuza.org\/pt\/oh-estrutura-de-lewis\/"},"modified":"2023-07-26T11:16:09","modified_gmt":"2023-07-26T11:16:09","slug":"oh-estrutura-de-lewis","status":"publish","type":"post","link":"https:\/\/chemuza.org\/pt\/oh-estrutura-de-lewis\/","title":{"rendered":"Estrutura oh-lewis em 6 etapas (com imagens)"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"650\" height=\"447\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-structure-de-Lewis.jpg\" alt=\"Estrutura OH-Lewis\" class=\"wp-image-834\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Ent\u00e3o voc\u00ea j\u00e1 viu a imagem acima, certo?<\/p>\n<p> Deixe-me explicar brevemente a imagem acima.<\/p>\n<p> <strong><em><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">A estrutura de Lewis OH- (\u00edon hidr\u00f3xido) possui um \u00e1tomo de oxig\u00eanio (O) e um \u00e1tomo de hidrog\u00eanio (H) que cont\u00eam uma liga\u00e7\u00e3o simples entre eles. Existem 3 pares solit\u00e1rios no \u00e1tomo de oxig\u00eanio (O). Existe uma carga formal -1 no \u00e1tomo de oxig\u00eanio (O).<\/mark><\/em><\/strong><\/p>\n<p> Se voc\u00ea n\u00e3o entendeu nada da imagem acima da estrutura de Lewis OH- (\u00edon hidr\u00f3xido), ent\u00e3o fique comigo e voc\u00ea obter\u00e1 uma explica\u00e7\u00e3o detalhada passo a passo sobre como desenhar uma estrutura de Lewis d&#8217; <a href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Hydroxide\" target=\"_blank\" rel=\"noopener\">OH-\u00edon<\/a> .<\/p>\n<p> Ent\u00e3o, vamos prosseguir para as etapas de desenho da <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">estrutura de Lewis<\/a> do \u00edon OH.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Etapas para desenhar a estrutura OH-Lewis<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> <strong>Etapa 1: Encontre o n\u00famero total de el\u00e9trons de val\u00eancia no \u00edon OH<\/strong><\/h3>\n<p> Para encontrar o n\u00famero total <a href=\"https:\/\/www.nde-ed.org\/Physics\/AtomElements\/electrons.xhtml\" target=\"_blank\" rel=\"noopener\">de el\u00e9trons de val\u00eancia<\/a> em um OH- (\u00edon hidr\u00f3xido), primeiro voc\u00ea precisa conhecer os el\u00e9trons de val\u00eancia presentes em um \u00fanico <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">\u00e1tomo<\/a> de oxig\u00eanio, bem como em um \u00e1tomo de hidrog\u00eanio.<br \/> (El\u00e9trons de val\u00eancia s\u00e3o os el\u00e9trons presentes na <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">\u00f3rbita<\/a> mais externa de qualquer \u00e1tomo.)<\/p>\n<p> Aqui vou lhe dizer como encontrar facilmente os el\u00e9trons de val\u00eancia do oxig\u00eanio e tamb\u00e9m do hidrog\u00eanio usando uma <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">tabela peri\u00f3dica<\/a> .<\/p>\n<p class=\"has-medium-font-size\"> <strong>El\u00e9trons totais de val\u00eancia no \u00edon OH<\/strong><\/p>\n<p> <strong>\u2192 El\u00e9trons de val\u00eancia dados pelo \u00e1tomo de oxig\u00eanio:<\/strong> <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"300\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/2-2.jpg\" alt=\"\" class=\"wp-image-49\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">O oxig\u00eanio<\/a> \u00e9 um elemento <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">do grupo 16<\/a> da tabela peri\u00f3dica. <a href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/element\/8\" target=\"_blank\" rel=\"noopener\">[1]<\/a> Portanto, os el\u00e9trons de val\u00eancia presentes no oxig\u00eanio s\u00e3o <strong>6<\/strong> . <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"238\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/3-2.jpg\" alt=\"\" class=\"wp-image-50\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Voc\u00ea pode ver os 6 el\u00e9trons de val\u00eancia presentes no \u00e1tomo de oxig\u00eanio, conforme mostrado na imagem acima.<\/p>\n<p> <strong>\u2192 El\u00e9trons de val\u00eancia dados pelo \u00e1tomo de hidrog\u00eanio:<\/strong> <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"300\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/3.jpg\" alt=\"\" class=\"wp-image-27\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> O hidrog\u00eanio \u00e9 um elemento do <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">grupo 1<\/a> da tabela peri\u00f3dica.<a href=\"https:\/\/www.rsc.org\/periodic-table\/element\/1\/hydrogen\" target=\"_blank\" rel=\"noopener\"><sup>[2]<\/sup><\/a> Portanto, o el\u00e9tron de val\u00eancia presente no hidrog\u00eanio \u00e9 <strong>1<\/strong> . <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"177\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/4.jpg\" alt=\"\" class=\"wp-image-28\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Voc\u00ea pode ver que apenas um el\u00e9tron de val\u00eancia est\u00e1 presente no \u00e1tomo de hidrog\u00eanio, conforme mostrado na imagem acima.<\/p>\n<p> Ent\u00e3o,<\/p>\n<p> <strong>Total de el\u00e9trons de val\u00eancia no \u00edon OH-<\/strong> = el\u00e9trons de val\u00eancia doados por 1 \u00e1tomo de oxig\u00eanio + el\u00e9trons de val\u00eancia doados por 1 \u00e1tomo de hidrog\u00eanio + 1 el\u00e9tron extra \u00e9 adicionado devido a 1 carga negativa = <strong>6 + 1 + 1 = 8<\/strong> .<\/p>\n<h3 class=\"wp-block-heading\"> <strong>Passo 2: Selecione o \u00e1tomo central<\/strong><\/h3>\n<p> Aqui, o \u00edon fornecido \u00e9 o \u00edon OH. Ele possui apenas dois \u00e1tomos, ent\u00e3o voc\u00ea pode selecionar qualquer um deles como \u00e1tomo central.<\/p>\n<p> <strong>(Lembre-se:<\/strong> se houver hidrog\u00eanio em determinada mol\u00e9cula, sempre coloque hidrog\u00eanio do lado de fora.) <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"57\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-1.webp\" alt=\"OH-passo 1\" class=\"wp-image-835\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Vamos supor que o \u00e1tomo de oxig\u00eanio seja um \u00e1tomo central (porque temos que manter o hidrog\u00eanio fora de qualquer estrutura de Lewis).<\/p>\n<h3 class=\"wp-block-heading\"> <strong>Etapa 3: Conecte cada \u00e1tomo colocando um par de el\u00e9trons entre eles<\/strong><\/h3>\n<p> Agora, na mol\u00e9cula de OH, voc\u00ea precisa colocar os <a href=\"https:\/\/www2.chem.wisc.edu\/deptfiles\/genchem\/netorial\/rottosen\/tutorial\/modules\/intermolecular_forces\/01review\/review3.htm\" target=\"_blank\" rel=\"noopener\">pares de el\u00e9trons<\/a> entre o \u00e1tomo de oxig\u00eanio (O) e o \u00e1tomo de hidrog\u00eanio (H). <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"55\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-2.webp\" alt=\"OH-passo 2\" class=\"wp-image-836\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Isso indica que o \u00e1tomo de oxig\u00eanio (O) e o \u00e1tomo de hidrog\u00eanio (H) est\u00e3o <a href=\"https:\/\/uen.pressbooks.pub\/introductorychemistry\/chapter\/the-covalent-bond\/\" target=\"_blank\" rel=\"noopener\">quimicamente ligados<\/a> entre si em uma mol\u00e9cula de OH.<\/p>\n<h3 class=\"wp-block-heading\"> <strong><strong>Etapa 4: torne os \u00e1tomos externos est\u00e1veis. Coloque o par de el\u00e9trons de val\u00eancia restante no \u00e1tomo central.<\/strong><\/strong><\/h3>\n<p> Nesta etapa voc\u00ea precisa verificar a estabilidade do \u00e1tomo externo.<\/p>\n<p> Aqui no diagrama da mol\u00e9cula OH, assumimos que o \u00e1tomo de oxig\u00eanio era o \u00e1tomo central. O hidrog\u00eanio \u00e9, portanto, o \u00e1tomo externo.<\/p>\n<p> Devemos, portanto, tornar o \u00e1tomo de hidrog\u00e9nio est\u00e1vel.<\/p>\n<p> Voc\u00ea pode ver na imagem abaixo que o \u00e1tomo de hidrog\u00eanio forma um <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">dupleto<\/a> e, portanto, \u00e9 est\u00e1vel. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"227\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-3.webp\" alt=\"OH-passo 3\" class=\"wp-image-837\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Al\u00e9m disso, na etapa 1, calculamos o n\u00famero total de el\u00e9trons de val\u00eancia presentes no \u00edon OH.<\/p>\n<p> O \u00edon OH- tem um total <strong>de 8 el\u00e9trons de val\u00eancia<\/strong> e destes, apenas <strong>2 el\u00e9trons de val\u00eancia<\/strong> s\u00e3o usados no diagrama acima.<\/p>\n<p> Portanto, o n\u00famero de el\u00e9trons restantes = <strong>8 \u2013 2 = 6<\/strong> .<\/p>\n<p> Voc\u00ea precisa colocar esses <strong>6<\/strong> el\u00e9trons no \u00e1tomo de oxig\u00eanio no diagrama acima da mol\u00e9cula de OH. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"253\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-4.webp\" alt=\"OH-passo 4\" class=\"wp-image-838\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Ent\u00e3o agora vamos para a pr\u00f3xima etapa.<\/p>\n<h3 class=\"wp-block-heading\"> <strong>Etapa 5: verifique o octeto no \u00e1tomo central<\/strong><\/h3>\n<p> Nesta etapa, voc\u00ea precisa verificar se o \u00e1tomo central de oxig\u00eanio (O) \u00e9 est\u00e1vel ou n\u00e3o.<\/p>\n<p> Para verificar a estabilidade do \u00e1tomo de oxig\u00eanio (O), precisamos verificar se ele forma um <a href=\"https:\/\/en.wikibooks.org\/wiki\/General_Chemistry\/Octet_Rule_and_Exceptions\" target=\"_blank\" rel=\"noopener\">octeto<\/a> ou n\u00e3o. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"263\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-5.webp\" alt=\"OH-passo 5\" class=\"wp-image-839\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Voc\u00ea pode ver na imagem acima que o \u00e1tomo de oxig\u00eanio forma um octeto. Isso significa que tem 8 el\u00e9trons.<\/p>\n<p> E, portanto, o \u00e1tomo de oxig\u00eanio \u00e9 est\u00e1vel.<\/p>\n<p> Agora vamos passar para a \u00faltima etapa para verificar se a estrutura de Lewis do OH \u00e9 est\u00e1vel ou n\u00e3o.<\/p>\n<h3 class=\"wp-block-heading\"> <strong>Passo 6: Verifique a estabilidade da estrutura de Lewis<\/strong><\/h3>\n<p> Agora voc\u00ea chegou \u00e0 \u00faltima etapa em que precisa verificar a estabilidade da estrutura de Lewis de OH.<\/p>\n<p> A estabilidade da estrutura de Lewis pode ser verificada usando um conceito <a href=\"http:\/\/guweb2.gonzaga.edu\/faculty\/cronk\/CHEM101pub\/formal_charge.html\" target=\"_blank\" rel=\"noopener\">formal de carga<\/a> .<\/p>\n<p> Resumindo, agora precisamos encontrar a carga formal do \u00e1tomo de oxig\u00eanio (O), bem como do \u00e1tomo de hidrog\u00eanio (H) presente na mol\u00e9cula de OH.<\/p>\n<p> Para calcular o imposto formal, deve-se utilizar a seguinte f\u00f3rmula:<\/p>\n<p class=\"has-background\" style=\"background-color:#ffe9cf\"> <strong>Carga formal = El\u00e9trons de val\u00eancia \u2013 (El\u00e9trons ligantes)\/2 \u2013 El\u00e9trons n\u00e3o ligantes<\/strong><\/p>\n<p> Voc\u00ea pode ver o n\u00famero de <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">el\u00e9trons ligantes<\/a> e <a href=\"https:\/\/chemuza.org\/pt\/definicoes-basicas-de-quimica\/\">el\u00e9trons n\u00e3o ligantes<\/a> para cada \u00e1tomo da mol\u00e9cula de OH na imagem abaixo. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"260\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-6.webp\" alt=\"OH-passo 6\" class=\"wp-image-840\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> <strong>Para o \u00e1tomo de oxig\u00eanio (O):<\/strong><strong><br \/><\/strong> El\u00e9trons de val\u00eancia = 6 (porque o oxig\u00eanio est\u00e1 no grupo 16)<strong><br \/><\/strong> El\u00e9trons de liga\u00e7\u00e3o = 2<br \/> El\u00e9trons n\u00e3o ligantes = 6<\/p>\n<p> <strong>Para o \u00e1tomo de hidrog\u00eanio (H):<\/strong><br \/> El\u00e9tron de val\u00eancia = 1 (porque o hidrog\u00eanio est\u00e1 no grupo 1)<br \/> El\u00e9trons de liga\u00e7\u00e3o = 2<br \/> El\u00e9trons n\u00e3o ligantes = 0 <\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>Acusa\u00e7\u00e3o formal<\/strong><\/td>\n<td> <strong>=<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>el\u00e9trons de val\u00eancia<\/strong><\/td>\n<td> <strong>\u2013<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>(El\u00e9trons de liga\u00e7\u00e3o)\/2<\/strong><\/td>\n<td> <strong>\u2013<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>El\u00e9trons n\u00e3o ligantes<\/strong> <\/td>\n<td><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> Oh<\/td>\n<td> =<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 6<\/td>\n<td> \u2013<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 2\/2<\/td>\n<td> \u2013<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 6<\/td>\n<td> =<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>-1<\/strong><\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> H<\/td>\n<td> =<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1<\/td>\n<td> \u2013<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 2\/2<\/td>\n<td> \u2013<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 0<\/td>\n<td> =<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> <strong>0<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p> A partir dos c\u00e1lculos formais de carga acima, voc\u00ea pode ver que o \u00e1tomo de oxig\u00eanio (O) tem carga de <strong>-1<\/strong> e o \u00e1tomo de hidrog\u00eanio (H) tem carga <strong>de 0<\/strong> .<\/p>\n<p> Ent\u00e3o vamos manter essas cargas nos respectivos \u00e1tomos da mol\u00e9cula de OH. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"105\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-7.webp\" alt=\"OH-passo 7\" class=\"wp-image-841\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Esta carga geral <strong>-1<\/strong> na mol\u00e9cula OH \u00e9 mostrada na imagem abaixo. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"118\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/oh-etape-8.webp\" alt=\"OH-passo 8\" class=\"wp-image-842\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Na estrutura de pontos de Lewis do \u00edon OH acima, voc\u00ea tamb\u00e9m pode representar cada par de el\u00e9trons de liga\u00e7\u00e3o (:) como uma liga\u00e7\u00e3o simples (|). Isso lhe dar\u00e1 a seguinte estrutura de Lewis do \u00edon OH. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"234\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/structure-de-Lewis-de-oh.jpg\" alt=\"Estrutura de Lewis de OH-\" class=\"wp-image-843\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Espero que voc\u00ea tenha entendido completamente todas as etapas acima.<\/p>\n<p> Para mais pr\u00e1tica e melhor compreens\u00e3o, voc\u00ea pode tentar outras estruturas de Lewis listadas abaixo.<\/p>\n<style>\n.wp-block-table table, .wp-block-table td, .wp-block-table th {\n    border: 0;\n}\n<\/style>\n<p><strong>Experimente (ou pelo menos veja) estas estruturas de Lewis para uma melhor compreens\u00e3o:<\/strong><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-de-lewis-n2h2\/\">Estrutura de Lewis N2H2<\/a><\/td>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-de-lewis-ch3cl\/\">Estrutura de Lewis CH3Cl<\/a><\/td>\n<\/tr>\n<tr>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-hbr-lewis\/\">Estrutura HBr Lewis<\/a><\/td>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-de-lewis-n2h4\/\">Estrutura de Lewis N2H4<\/a><\/td>\n<\/tr>\n<tr>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-de-lewis-ch3nh2\/\">Estrutura de Lewis CH3NH2<\/a><\/td>\n<td> <a href=\"https:\/\/chemuza.org\/pt\/estrutura-sio2-lewis\/\">Estrutura de Lewis SiO2<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Ent\u00e3o voc\u00ea j\u00e1 viu a imagem acima, certo? Deixe-me explicar brevemente a imagem acima. A estrutura de Lewis OH- (\u00edon hidr\u00f3xido) possui um \u00e1tomo de oxig\u00eanio (O) e um \u00e1tomo de hidrog\u00eanio (H) que cont\u00eam uma liga\u00e7\u00e3o simples entre eles. Existem 3 pares solit\u00e1rios no \u00e1tomo de oxig\u00eanio (O). Existe uma carga formal -1 no &#8230; <a title=\"Estrutura oh-lewis em 6 etapas (com imagens)\" class=\"read-more\" href=\"https:\/\/chemuza.org\/pt\/oh-estrutura-de-lewis\/\" aria-label=\"Mais em Estrutura oh-lewis em 6 etapas (com imagens)\">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":[12],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","hentry","category-estrutura-de-lewis"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Estrutura OH-Lewis em 6 etapas (com imagens) - Chemuza<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/pt\/oh-estrutura-de-lewis\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Estrutura OH-Lewis em 6 etapas (com imagens) - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Ent\u00e3o voc\u00ea j\u00e1 viu a imagem acima, certo? Deixe-me explicar brevemente a imagem acima. A estrutura de Lewis OH- (\u00edon hidr\u00f3xido) possui um \u00e1tomo de oxig\u00eanio (O) e um \u00e1tomo de hidrog\u00eanio (H) que cont\u00eam uma liga\u00e7\u00e3o simples entre eles. Existem 3 pares solit\u00e1rios no \u00e1tomo de oxig\u00eanio (O). Existe uma carga formal -1 no ... 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