
Evaluación sobre Iones y Enlaces Químicos
Authored by Evelinda Gomez
Science
9th Grade
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. ¿Qué es un ion? a) Un átomo neutro. b) Un átomo que gana o pierde electrones. c) Un átomo unido covalentemente. d) Un compuesto químico.
f) Un átomo que no tiene electrones.
g) Un átomo que forma enlaces iónicos.
b) Un átomo que gana o pierde electrones.
e) Un átomo con carga positiva.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Un ion positivo se llama anión. Verdadero/Falso.
Un ion positivo es neutro.
Un ion positivo se llama catión.
Un ion negativo se llama anión.
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. ¿Cuál de los siguientes compuestos es covalente? a) NaCl b) MgO c) H₂O d) KCl
CaCl₂
H₂O
NaF
SO₂
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Dibuja la estructura de Lewis del Cl₂.
Cl:Cl:Cl
Cl::Cl
Cl-Cl
Cl:Cl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. ¿Qué tipo de ion se forma cuando un átomo pierde electrones? a) Catión b) Anión c) Neutro d) Isótopo
Molecula
a) Catión
Cation
Proton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. ¿Cuál es la carga de un catión? a) Positiva b) Negativa c) Neutra d) Variable
Cationes tienen carga negativa
Cationes son siempre neutros
a) Positiva
Cationes son inestables
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8. ¿Qué tipo de enlace se forma entre dos no metales? a) Iónico b) Covalente c) Metálico d) Polar
Metálico
Iónico
Polar
b) Covalente
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