2O2 significa
Átomos, moléculas y ecuaciones químicas

Quiz
•
Chemistry
•
9th Grade
•
Medium
Liceo Ciencias
Used 5+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1 molécula de dióxigeno
2 moléculas de dioxígneo
3 moléculas de dioxígeno
4 moléculas de dióxigeni
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿La siguiente ecuación química está igualada?
2H2O = 2H2 + O2
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La molécula de amoniaco (NH3) está formda por:
1 átomo de hidrógeno y tres de nitrógeno
1 átomo de nitrógeno y tres de hidrógeno
1 átomo de sodio y tres de hidrógeno
Ninguna de las anteriores es correcta
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2H2 significa que hay dos moléculas de hidrógeno, por lo tanto son:
4 átomos
2 átomos
8 átomos
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La formula química del dióxido de carbono es:
CO
CaO
CO2
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