Es un tipo de materia constituida por átomos de la misma clase. En su forma más simple, posee un número determinado de portones en su núcleo haciéndolo pertenecer a una categoría única clasificada por su número atómico, aún cuando este pueda desplegar distintas masas atómicas.

TABLA DE ELEMNTOS

Quiz
•
Chemistry
•
1st - 10th Grade
•
Hard
maria barrancos
Used 4+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un elemento químico
Un compuesto
Una sustancia
Una materia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los elementos químicos que tienen valencia de +2 son:
Calcio, bario, estroncio, cadmio y berilio
litio sodio
Plata Amonio
calcio y aluminio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El hierro, cobalto, cromo y Níquel que valencias tienen
+2 +3
+3 +5
+4 +6
+7+ 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El simbolo de Plata Francio es
Ag y Fr
Na y Fr
Ag y Mn
Li y Ag
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El nombre de los siguientes símbolos Zn, Co, Fe y Al es:
Zinc, cobalto,hierro y aluminio
Zinc, calcio, hierro y aluminio
Estaño, cobalto,hierro y aluminio
Zinc, cobalto,hierro y oro
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se llama a los elementos de la familia +1 + 3 + 5 +7
cloro, bromo y iodo
Iodo, Cloro y Calcio
Bromo, Iodo y Bario
Silicio y Carbono
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cual es símbolo de Carbono
C
Co
Ce
Ca
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual es el simbolo de azufre y Silicio
S Y Si
Si Y As
S y Sa
As y s
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuales son las valencias de Arsenio y Fosforo.
+2 +3
+3 +5
+4 +5
+4+6
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