EXERCÍCIOS de RECUPERAÇÃO de QUÍMICA Professor (a) da Disciplina: Data: /09/14 Aluno (a): Ano: 9º ____ Ensino Fundamental Nº: Período: Matutino 2º TRIMESTRE Nota: Valor da avaliação: 10,0 Assinatura do responsável: ROTEIRO: - Reveja e refaça todos os exercícios abordados. - Releia os textos e anote suas dúvidas sobre a teoria. - Esclareça suas dúvidas no plantão ou com a professora. CONTEÚDO: - Laboratório - Estrutura atômica - Modelos atômicos - Configuração eletrônica - Tabela periódica 1) Defina cientificamente as palavras abaixo: a) Pressão atmosférica ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ b) Modelo de Rutherford e Bohr. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 1 c) átomo ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ d) Configuração eletrônica ________________________________________________________________________________________ ________________________________________________________________________________________ 1) Diferencie prótons de elétrons. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 2) Utilize – se de exemplos da vida cotidiana para exemplificar fenômenos físicos e químicos. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 3) Explique a influência da pressão atmosférica no amassar da latinha em sua aula de laboratório. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 4) Porque os gases nobres são elementos equilibrados? ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 5) Explique o que são isótopos e de exemplos. ________________________________________________________________________________________ ________________________________________________________________________________________ 2 ________________________________________________________________________________________ ________________________________________________________________________________________ 6) Explique o que são elementos isóbaros. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 7) Observe o esquema abaixo e faça o que se pede: a) Quem é o autor do modelo representado na figura acima? _______________________________________________________________________________________ b) Defina átomo. ________________________________________________________________________________________ ________________________________________________________________________________________ c) Identifique as regiões A e B e diferencie – as: ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 3 d) Identifique as partículas 1,2 e 3 e determine a carga elétrica que possuem. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 8) Defina número atômico e número de massa de um átomo . ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 9) Escreva sobre os modelos atômicos de Dalton e de Thomson. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 10) Diferencie os períodos e as famílias de uma tabela periódica. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 11) Diferencie e exemplifique elementos isóbaros, isótonos e isótopos. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 4 12) Escolha cinco elementos representativos da tabela periódica, faça suas configurações eletrônicas e localize – os na tabela periódica. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 13) Diferencie os elementos representativos dos elementos de transição da tabela periódica. ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ 5
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