
Preguntas de Química
Authored by MARIA VARGAS
Chemistry
University
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La regla del octeto se cumple siempre en:
Compuestos iónicos
Metales alcalinos
Gases nobles
Compuestos covalentes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La hibridación sp³ produce geometría:
Lineal
Trigonal plana
Tetraédrica
Bipiramidal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ejemplo de enlace covalente polar es:
O₂
HCl
CH₄
NaCl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La teoría de bandas explica:
Conductividad en semiconductores
Formación de iones
Polaridad molecular
Energía de enlace
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué compuesto presenta mayor fuerza intermolecular?
CH₃CH₂OH (etanol)
CH₄ (metano)
CO₂ (dióxido de carbono)
H₂ (hidrógeno molecular)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito de la teoría de repulsión de pares electrónicos?
Explicar la conductividad eléctrica
Predecir la geometría molecular
Describir el enlace metálico
Calcular la energía de enlace
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El enlace covalente coordinado se forma cuando:
Un átomo aporta un par electrónico completo al enlace.
Dos átomos comparten un par electrónico.
Un átomo acepta un par electrónico.
Se forma un ion positivo y uno negativo.
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