O elemento sódio possui 11 prótons e 12 nêutrons, portanto seu número de massa é
Características dos Elementos

Quiz
•
Chemistry
•
10th Grade
•
Hard
Euclides Chacon
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
11
12
23
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O elemento ferro possui 26 prótons e 28 nêutrons, portanto seu número de massa é
2
26
28
54
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Certo elemento eletricamente neutro quando perde elétron torna-se
cátion.
ânion.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Certo elemento eletricamente neutro quando ganha um elétron torna-se
cátion.
ânion.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O elemento 92U238 possui
92 nêutrons.
238 elétrons.
146 prótons
A = 238.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O elemento 13Al27 possui
14 nêutrons.
14 elétrons.
27 prótons
A = 40
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O elemento 13Al27 possui
14 nêutrons.
14 elétrons.
27 prótons
A = 40
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