Examen T4: Elementos y compuestos
Quiz
•
Chemistry
•
8th Grade
•
Easy
Cristina Laita
Used 2+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los electrones situados en el último nivel de energía...
1. Se llaman electrones de valencia
2. Son los responsables de las propiedades químicas
Ninguna es correcta
1 y 2 son correctas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los gases nobles tienen su última capa completa, por ello
Son muy inestables
Tienen actividad química escasa
Tienden a reaccionar con otros compuestos.
Todas las anteriores son correctas
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
A los halógenos les falta un electrón, por ello tienden a formar iones con carga
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los gases nobles
Conducen la corriente eléctrica
Son sustancias gaseosas a temperatura ambiente
Las dos son correctas
Ninguna es correcta
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Que tipo de sustancia es?
Molécula
Cristal
metálico
Átomos aislados
Cristal iónico
Cristal covalente
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Que tipo de sustancia es?
Molécula
Cristal
metálico
Átomos aislados
Cristal iónico
Cristal covalente
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Que tipo de sustancia es?
Molécula
Cristal
metálico
Átomos aislados
Cristal iónico
Cristal covalente
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