Electrones saltarines
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Patricia Samano Silva
Used 12+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según el propósito de este espacio experimental ¿Dónde vamos a observar el fenómeno de fluorescencia?
En el agua tónica
En el extracto de espinaca
Ambas son correctas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es la fluorescencia?
Proceso de emisión de luz en el cual las moléculas reciben radiación electromagnética
Fenómeno en el cual las moléculas se encuentran en reposo
Ninguna es correcta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué los modelos atómicos de Dalton y Thomson no pueden describir el fenómeno de fluorescencia?
Porque no hablan de la quinina
Porque no describen niveles de energía
Porque no hablan de los electrones
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Para qué se congela el agua tónica o de quina?
Para comprobar que hay sustancias que desprenden luz sin necesidad de calentarse
Para que cambie de color
Ambas son correctas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué es necesario hacer incidir luz ultravioleta o luz negra?
Porque las moléculas van a emitir luz visible que es menos energética
Porque las moléculas absorben la energía de la luz UV que es más energética
Ambas son correctas
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