Átomos
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Daniel Bianchi
Used 22+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O modelo atômico de Rutherford permitiu identificar que os átomos não são partículas maciças.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quais são as principais partículas subatômicas?
átomos, moléculas e prótons.
Nêutrons, prótons e elétrons.
Prótons, nêutrons e núcleos.
Alfa, beta e gama
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determine o número de prótons presente no núcleo do átomo de Carbono.
12
18
6,011
6
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indique o número de elétrons presente na eletrosfera do átomo de potássio.
39
20
19
58
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Íons são partículas, eletricamente carregadas, formadas da variação do número de elétrons, mantendo número de prótons.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual o número, respectivamente, de prótons, elétrons e nêutrons do cátion trivalente (3+) do elemento cobalto?
27, 24 e 33
27, 27 e 87
30, 27 e 33
24, 27 e 27
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o número de massa de um cátion monovalente que apresenta 18 elétrons e 20 nêutrons?
38
37
39
36
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