Cuál de los siguientes elementos es un Metaloide?
Prueba Piloto Química Inorgánica

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Phill Skewes
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el resultado de la unión química de un metal y oxígeno:
Hidróxido
Sal ternaria
Oxiácido
Óxido metálico
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A qué grupo o familia pertenecen los elementos tales como el Oro Au, Plata Ag, Cobre Cu, Hierro Fe, etc...?
Metales de transición
Halógenos
Tierras raras
Metales alcalino-térreos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál es el símbolo químico del Estroncio?
Sr
Sb
S
Es
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según la norma 704 de la National Fire Protection Asossiation que índica el número 4 en la reactividad (amarillo)?
Inestable por calentamiento
Estable
Inestable por cambio químico
Puede explotar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la cantidad de átomos que pueden rodear a un átomo central en una molécula:
Radio Atómico
Electronegatividad
Valencia
Número de coordinación
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se le atribuye la organización de las tierras raras en la tabla periódica de los elementos (lantanidos y actinidos):
Antoine Lavoisier
Glenn T. Seaborg
John Newlands
Dmitri Mendeléyev
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