
Quiz sobre átomos
Authored by Joao Pinto
Physics
8th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número atômico do hidrogênio?
1
2
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos prótons tem um átomo de hélio (He)?
1
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o número de prótons é igual ao número de elétrons, qual é a carga total do átomo?
Positiva
Negativa
Neutra
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número de nêutrons no isótopo mais comum do lítio (Li), com um número de massa de 7?
3
4
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que o número atômico de um elemento indica?
O número de prótons
O número de nêutrons
O número de elétrons mais externos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número atômico do oxigênio (O)?
6
8
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um átomo de carbono (C) tem 6 prótons e 6 elétrons. Qual é o número de nêutrons no isótopo mais comum, com um número de massa de 12?
6
12
18
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