Íons
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Prof.: Cristina e Cristiane
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O símbolo para o íon Zn²+ indica que:
I. é um cátion;
II. possui dois prótons a mais que o respectivo átomo neutro;
III. ganhou dois elétrons em relação ao átomo neutro;
Assinale a alternativa que indica as afirmações corretas:
I
II
III
I e II
II e III
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
o íon apresenta:
10 prótons e 13 elétrons
14 prótons e 13 elétrons
13 prótons e 10 elétrons
13 prótons e 13 elétrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O nome que se dá ao íon carregado negativamente é
Cátion
Anodo
Próton
Ânion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando se compara o átomo neutro do enxofre com o ion S²-, verifica-se que o íon possui:
um elétron a mais
dois prótons a mais
dois elétrons a mais
dois elétrons a menos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um íon apresenta 20 prótons e 22 elétrons. Qual a carga desse íon?
2+
2-
1+
1-
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Como se chama o átomo que perdeu ou ganhou elétrons?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Esse íon apresenta 27 elétrons, qual o seu número de prótons?
30
24
27
33
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