EXAMEN QCA 1ERO 2TRIMESTRE
11th Grade
•20 Qs
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EXAMEN QCA 1ERO 2TRIMESTRE
Quiz
•
Science, Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Marina Martínez
Used 4+ times
FREE Resource
Enhance your content
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Los gases nobles se encuentran como átomos aislados en la naturaleza...
Porque los átomos de estos elementos son muy estables y no necesitan combinarse con otros átomos.
Porque son más estables si tienen muchos átomos a su alrededor.
Porque necesitan combinarse con otros átomos
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Que elemento se representa por el Símbolo Na
Cloro
Sodio
Naftato
Neftalina
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
La sal común (NaCl) es...
un elemento
un compuesto
una mezcla heterogénea
una mezcla homogénea
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de los siguientes es un elemento?
CH3
H2
NH4
SH2
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Son Metales
Au, S
Br, C
Li, Pt, Mg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los elementos se representan con...
Cualquier letra conocida.
Fórmulas químicas
Letras de la Tabla Periódica
Símbolos químicos
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Numero de Oxidacion del Oxigeno
2-
2+
4-
4+
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