Números Atômicos
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Jéssica Catrinque
Used 4+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
No átomo de Alumínio (Al)
Seu Z é 27.
Há 14 elétrons.
Os elétrons estão no núcleo.
Há 13 prótons no seu núcleo.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Um determinado elemento químico, que apresentava 38 elétrons e 58 nêutrons. A partir dessas informações, marque a alternativa que apresenta o número atômico e número de massa, respectivamente, desse elemento:
38 e 96
36 e 94
38 e 94
32 e 96
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
19 prótons.
19 nêutrons.
39 elétrons.
número de massa igual a 20.
número atômico igual a 39.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Um elemento químico é caracterizado por seu:
número de nêutrons.
número atômico.
número de elétrons.
número de massa.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2
28
30
32
60
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quais as partículas que apresentam massa num átomo?
prótons, nêutrons e elétrons;
prótons e elétrons;
prótons e nêutrons;
elétrons e nêutrons;
somente prótons.
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
igual número de nêutrons
igual número de prótons
diferentes números de elétrons
diferentes números atômicos
igual número de massa
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