
Átomos
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Susy Chagas
Used 4+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. O íon 19 39k +1 possui:
19 prótons.
19 nêutrons.
39 elétrons.
número de massa igual a 20.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um elemento químico é caracterizado por seu:
número de nêutrons.
número atômico.
número de elétrons.
número de massa.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os íons Ca+2 e Pb+2 possuem (Dados: Número atômico: Ca = 20 ; Pb = 82)
mesmo número de prótons e elétrons.
mesmo número de prótons e nêutrons.
mesma carga nuclear e diferentes massas atômicas.
igual soma de número de prótons e nêutrons.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos prótons há na espécie química 28 60Ni+2
2
28
32
60
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A representação 1H 1 1H 2 1H 3 se refere a átomos com:
igual número de nêutrons;
igual número de prótons;
diferentes números de elétrons;
diferentes números atômicos;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
É dado o íon 20 40Ca+2. Quantos elétrons, prótons e nêutrons apresentam respectivamente esse íon:
20, 20 e 20;
22, 20 e 20;
20, 22 e 20;
d) 18, 20 e 20;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais as partículas que apresentam massa num átomo?
prótons, nêutrons e elétrons;
prótons e elétrons;
prótons e nêutrons;
elétrons e nêutrons;
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