examen ciencias
Quiz
•
Education
•
3rd Grade
•
Practice Problem
•
Medium
beatriz davila
Used 15+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Al conjunto de números y símbolos químicos para presentar compuestos se le conoce como:
formula quimica
elemento
reactivos
ciencia
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
-Sustancia simple y elemental que constituyen la materia se le llama:
enlace
elemeto
metales
no metales
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A la unión de átomos entre sí para formar moléculas y cuyos átomos comparten electrones se le denomina:
atomico
estructura
enlace quimico
ley de reactivos
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Al Enlace formado por moléculas y cuyos átomos comparten electrones se llama:
molecula
ciencia
atomo
enlace covalente
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
- Es un tipo de representación de las sustancias que se componen de puntos que representan los electrones exteriores o de valencia de cada átomo, ¿Cómo se llama?
estructura de lewis
tabla periodica
modelo de atomos
en enlaces
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rama de la Química dedicada a determinar tanto la proporción de las sustancias en las reacciones químicas, como en sus correspondientes coeficientes estequiométricos.
la ciencia
quimica cuantica
estequiometria
numismatica
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
“En una reacción química la materia no se crea ni se destruye” esto se refiere a:
los atomos
los enlaces
ley de la conservacion de la masa
las moleculas
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