Química Geral
Quiz
•
Chemistry
•
8th Grade - University
•
Practice Problem
•
Hard
Guilherme Ramos
Used 325+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quais as partículas que estão no núcleo atômico?
prótons
nêutrons
prótons e elétrons
prótons e nêutrons
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um elemento tem Z=25 , se sua carga é +3, quantos elétrons tem?
20
21
22
23
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um elemento "X" tem número atômico Z=16 e número de masa, A=35. Quantos nêutrons ele possui?
16
19
35
51
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quando diferentes átomos apresentam igual número de massa "A", como podemos chamá-lo?
Isótonos
Isóbaros
Isótopos
Isoelétricos
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dois elementos que são isótopos possuem igual número de____________.
elétrons
nêutrons
núcleons
prótons
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um átomo constituído de 11 prótons, 12 nêutrons e 11 elétrons apresenta, respectivamente,
número atômico e número de massa iguais a :
11 e 11
12 e 11
23 e 11
11 e 12
11 e 23
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dadas as espécies químicas, quais são isótopos e quais são isóbaros, respectivamente?
I = 48Cd112 II = 27Co60
III = 48Cd114
IV = 29Cu60
I e III; II e IV
II e IV, I e III
I e III; apenas
I e II; III e IV
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