
Los elementos, repaso
Authored by Clara Uriarte
Physics, Chemistry
2nd Grade
Used 2+ times

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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El electrón es
negativo
positivo
neutro
depende
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El protón es
positivo
negativo
neutro
depende
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El neutrón es
positivo
negativo
neutro
depende
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo neutro
Tiene el mismo número de electrones que de protones
No tiene cargas positivas ni negativas
No existe
Sólo tiene neutrones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nº atómico Z es
el nº de neutrones
el nº de electrones
el nº de protones
la suma de protones y neutrones
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nº másico A de un átomo
Es el número de protones
Es el número de neutrones
Es el número de electrones
Es la suma de protones y neutrones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los átomos de un mismo elemento tienen siempre el mismo
Número másico
Número atómico
Número másico y número atómico
Todos sus números pueden ser diferentes
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