Química
9th Grade
•10 Qs
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Química
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Teresa Pedro
Used 33+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O modelo da nuvem eletrónica assume que existe uma zona central onde se concentram partículas. Quais são?
Eletrões e protões
Protões e neutrões
Eletrões e Protões
Neutrões e eletrões
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O número de maassa do magnésio é 24 e o número atómico 12. O Magnésio tem...
12 protões, 12 eletrões e 12 neutrões
12 protões, 24 neutrões e 12 eletrões
24 protões, 12 eletrões e 12 neutrões
24 protões, 24 neutrões e 24 eletrões
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O número atómico num átomo diz-nos o número de....
Eletrões
neutrões
Protões
neutrões e protões
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Num ião dinegativo (carga -2), o átomo que lhe deu origem...
ganhou 1 eletrão
Ganhou 2 eletrões
Ganhou 2 protões
ganhou 2 neutrões
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Num ião monopositivo ( carga +1), o átomo que lhe deu origem...
Perdeu 1 eletrão
Perdeu 1 protão
Perdeu 1 neutrão
Ganhou 1 eletrão
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Um átomo com número atómico 16 tem como distribuição eletrónica...
2-10-4
8-2-6
2-8-6
10-6
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
A distribuição eletrónica do ião 17 Cl- é...
2-8-7
2-8-8
2-10-5
8-2-8
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