
El átomo. Elementos y compuestos.
Authored by Paula Lrh
Science
2nd Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La partícula subatómica con carga positiva se llama...
Electrón
Protón
Neutrón
Ión
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de las siguientes afirmaciones es falsa sobre el número másico:
Se representa con la letra A
Es la suma de protones y neutrones
Es la suma de protones y electrones
Todas son falsa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico es el número de
Neutrones
Electrones
Protones
Protones y neutrones
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El elemento de la imagen tiene:
6 protones en el núcleo
6 electrones en el núcleo
12 protones en el núcleo
18 protones en el núcleo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El átomo de la imagen tiene...
Z = 198
Z = 79
A = 79
A = 119
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos elementos tiene la tabla periódica actual?
112
92
118
1500
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según Dalton:
Los átomos son indivisibles
El átomo es una esfera compacta con electrones incrustrados
Los electrones giran en la corteza alrededor de un núcleo positivo
Todas son falsas
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