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class="post-251 post type-post status-publish format-standard has-post-thumbnail hentry category-explicacoes category-quimica category-resumos tag-atomos tag-fenomeno tag-isobaro tag-isotonos tag-isotopos tag-massa tag-numero-atomico tag-quimica-2">

Warning: mysqli_query(): (HY000/1194): Table 'wp_options' is marked as crashed and should be repaired in /home/resumoescolar/www/wp-includes/wp-db.php on line 2007

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Isótopos, Isóbaros, Isótonos – Química

Química

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Todos os átomos de um mesmo elemento são iguais? Quimicamente são, pois as propriedades químicas dependem do número de prótons e elétrons. Porém, como o número de nêutrons é variável, um mesmo elemento pode ter átomos com números de massa diferentes. Esse fenômeno é chamado isotopia. Isótopos– São átomos de mesmo número atômico e números de massa diferentes. Observe estes três isótopos: 1H1 -> 1 próton, 0 nêutron, e 1 elétron = Hidrogênio leve 1H2 -> 1 próton, 1 nêutron, e 1 elétron = deutério (hidrogênio pesado) 1H3 -> 1…

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Explicações, Química, Resumos
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, , , , , , ,
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