
Explorando o Átomo e Suas Estruturas
Authored by VANESSA FABRI
Science
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das partículas abaixo está localizada no núcleo do átomo e possui carga positiva?
Elétron
Próton
Nêutron
Pósitron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal diferença entre o modelo atômico de Rutherford e o de Bohr?
Rutherford propôs níveis de energia quantizados.
Bohr propôs que os elétrons giram em órbitas circulares de energia definida.
Rutherford acreditava que o átomo era indivisível.
Bohr afirmou que o núcleo era composto apenas por prótons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que caracteriza uma ligação iônica?
Compartilhamento de pares de elétrons
Transferência de elétrons entre átomos
Compartilhamento desigual de elétrons
Formação de nuvens eletrônicas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No modelo atômico de Dalton, o átomo era considerado:
Divisível e formado por partículas menores
Uma esfera maciça e indivisível
Composto por núcleo e eletrosfera
Com níveis de energia
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente a estrutura básica de um átomo?
Núcleo (prótons e nêutrons) e eletrosfera (elétrons)
Núcleo (elétrons) e eletrosfera (prótons e nêutrons)
Apenas núcleo (prótons)
Apenas eletrosfera (elétrons)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo é um exemplo de ligação covalente?
NaCl
KBr
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