
Quimica molecular
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Chemistry
University
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cual es el peso molecular de SO3?
80.06
58.61
98.07
17.55
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuanto equivales 2.5 moles de oxigeno en átomos de oxigeno?
1.50x10(24)
2.50x10(23)
1.50x10(22)
6.3x10(24)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cual es la formula empirica de Sodio 32.4%, Azufre 22.6% y Oxigeno 45.1%?
Na1-S1-O4
Na2-S1-O4
Na4-S1-O3
Na3-S1-O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Establece que un compuesto dado siempre contiene los mismos elementos en la misma proporción de masa
Teoria atomica
Ley de la conservación de la materia
Ley de newton
Ley de las Proporciones Definidas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la cantidad de sustancia que contiene el número de Avogadro de partículas unitarias
Masa
Gramos
moles
uma
6.022 x 1023 partículas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la suma de las masas atómicas de todos los elementos que componen una molécula. Se expresa en unidades de masa atómica, (uma).
Peso Molecular
Peso Formula
Masa Molecular
Numero de avogadro
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la fuerza de atracción que mantiene unidos a los átomos en las moléculas y a los iones en los cristales
Enlace no polar
Enlace ionico
Enlace quimico
Enlace covalente
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