Untitled Quiz
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Briselda Isabel Méndez Franco
Used 2+ times
FREE Resource
Enhance your content in a minute
10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Balancea las siguientes ecuaciones químicas por el método de tanteo. Escribe los coeficientes estequiométricos necesarios delante de cada compuesto. ___ Na + ___ Cl₂ → ___ NaCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancea la siguiente ecuación química por el método de tanteo. Escribe los coeficientes estequiométricos necesarios delante de cada compuesto. ___ H₂ + ___ O₂ → ___ H₂O
2 H₂ + 1 O₂ → 2 H₂O
1 H₂ + 2 O₂ → 1 H₂O
2 H₂ + 2 O₂ → 2 H₂O
1 H₂ + 1 O₂ → 1 H₂O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancea la siguiente ecuación química por el método de tanteo. Escribe los coeficientes estequiométricos necesarios delante de cada compuesto. ___ C₃H₈ + ___ O₂ → ___ CO₂ + ___ H₂O
1 C₃H₈ + 3 O₂ → 3 CO₂ + 2 H₂O
1 C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O
1 C₃H₈ + 2 O₂ → 3 CO₂ + 2 H₂O
1 C₃H₈ + 4 O₂ → 3 CO₂ + 6 H₂O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancea la siguiente ecuación química por el método de tanteo. Escribe los coeficientes estequiométricos necesarios delante de cada compuesto. ___ Fe + ___ O₂ → ___ Fe₂O₃
4 Fe + 3 O₂ → 2 Fe₂O₃
2 Fe + 3 O₂ → 1 Fe₂O₃
2 Fe + 1 O₂ → 1 Fe₂O₃
3 Fe + 2 O₂ → 1 Fe₂O₃
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es elemento que está representado con el siguiente modelo de Bohr?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de los siguientes ejemplos representa a la molécula del gas metano usando el modelo de Lewis?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuántos electrones de valencia tiene el átomo de Cloro?
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