
Quiz sobre Modelos Atômicos e Íons
Authored by GEOVANA ANDRADE
Science
9th Grade

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual cientista propôs o primeiro modelo atômico baseado em evidências experimentais, conhecido como "bola de bilhar"?
J.J. Thomson
John Dalton
Ernest Rutherford
Niels Bohr
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No modelo atômico de Dalton, os átomos de um mesmo elemento químico são:
Diferentes em massa e propriedades
Iguais em massa e propriedades
Compostos por prótons e nêutrons
Carregados eletricamente
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente a definição de íon?
Átomo neutro
Átomo ou molécula que perdeu ou ganhou elétrons
Átomo que perdeu prótons
Átomo que ganhou nêutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na tabela periódica moderna, os elementos estão organizados em ordem crescente de:
Massa atômica
Número de nêutrons
Número de elétrons na última camada
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal característica dos metais na tabela periódica?
São maus condutores de eletricidade
Tendem a perder elétrons e formar cátions
Tendem a ganhar elétrons e formar ânions
São gases à temperatura ambiente
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O modelo atômico de Dalton NÃO considerava:
A existência de elétrons
Que os átomos são indivisíveis
Que os átomos de um elemento são idênticos
Que os átomos se combinam em proporções fixas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo representa um cátion?
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