Átomos, moléculas e iões
8th Grade
•27 Qs
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Átomos, moléculas e iões
Quiz
•
Chemistry
•
8th Grade
•
Medium
Carla Ferreira
Used 11+ times
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27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O átomo é constituido por
um núcleo, zona central e nuvem eletrónica zona mais exterior.
um núcleo, zona exterior nuvem eletrónica zona central.
um núcleo.
uma nuvem eletrónica.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No núcleo existem
protões e eletrões.
protões e neutrões.
eletrões e neutrões.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os protões têm carga elétrica
positiva
negativa
nula
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
os eletrões têm carga elétrica
positiva
negativa
nula
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os neutrões localizam-se .... e tem carga .....
no núcleo .... nula
na nuvem eletrónica ... nula
no núcleo .... positiva
na nuvem eletrónica ... negativa
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O átomo é eletricamente neutro porque
o número de protões é igual ao número de eletrões.
o número de neutrões é igual ao número de eletrões.
o número de protões é igual ao número de neutrões.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A parte do átomo responsável pela sua massa é
o núcleo.
a nuvem eletrónica.
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