Es cierto que:
4º ESO: Átomos y sistema periódico

Quiz
•
Physics, Chemistry
•
10th Grade
•
Medium
José Javier Vida Sagrista
Used 10+ times
FREE Resource
33 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Z es el número atómico
A es el número másico
Z es el número de protones del núcleo
A es el número de neutrones del núcleo
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Para un átomo el número de protones y electrones es el mismo
verdadero
falso
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Todos los átomos de sodio son iguales
verdadero
falso
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El símbolo químico del astato es:
As
At
A
Ar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo tiene en su núcleo 6 protones y 7 neutrones. Su número atómico es:
6
7
13
ninguna es correcta
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo tiene en su núcleo 6 protones y 7 neutrones. Su número másico es:
6
7
13
ninguna es correcta
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo con 10 electrones en su núcleo:
tiene Z = 10
tiene A =10
es imposible
es extraño
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