
PRUEBA DIAGNOSTICA 8
Authored by andrea esteban
Chemistry
8th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el número de protones o partículas positivas del núcleo, y es la característica a un elemento de los demás:
número atómico
átomo
masa atómica
molécula
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nombre que se le da a los conjuntos de elemento que se encuentran en la tabla periódica con propiedades físicas y químicas similares.
grupos o familias
metales
lántanidos
periodos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
son aquellos elementos químicos idénticos con masas atómicas diferentes.
iones
isótopo
oxidantes
cationes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se le llama a las filas horizontales de elementos de la tabla periódica?
lantánidos
grupos
familias
periodos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifica, de los siguientes elementos, cuáles son metales y cuáles no metales. Ca, S, Cl, Nb, I, Li, Se
no metal, metal, metal, no metal, metal, no metal
metal, metal, no metal, metal, no metal, metal metal
metal, no metal, no metal, metal, no metal, metal, no metal.
no metal, metal, metal, no metal, no metal, metal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El argón es un gas noble, cuyo número atómico es 18. Un átomo de argón tiene la siguiente configuración electrónica:
1p6 2p6 3s2
1s2 2s2 2p6 2d8
3s2 3p4
1s2 2s2 2p6 3s2 3p6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número máximo de electrones que pueden ocupar la subcapa 3d?
1
10
8
2
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