
Átomos, elementos y uniones químicas
Authored by Rocio Moreyra
Physics, Chemistry
3rd Grade
Used 30+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El "Z" de elemento indica
número másico
número de protones
número de neutrones
número de electrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un átomo tiene Z=20 y A=42
tiene 20 protones y 42 neutrones
tiene 10 protones, 10 electrones y 22 neutrones
tiene 20 protones y 22 neutrones
no es posible saber la cantidad de protones, electrones y neutrones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un Isotopo de un elemento es
un átomo con mismo Z y distinto A
un átomo con mismo A y distinto Z
la manera de calcular la masa de un elemento
La cantidad de neutrones de un elemento
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
El "A" de un elemento indica (marcá todas las corectas)
La masa atómica
El número de protones, electrones y neutrones en el núcleo
La suma de protones y neutrones en el núcleo
El número atómico
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Los electrones se ubican en
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El elemento del Grupo 13 Período 3 es
El Selenio
El Bromo
El Aluminio
El Galio
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Son elementos representativos (marcá todas las correctas)
Los metales de los grupos 1 y 2
Los grupos 1, 2, 3, 4, 5, 6, 7 y 8
Los no metales
aquellos cuya configuración electrónica terminan en "s" o "p"
Todos los metales
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