Cuestionario de Química
8th Grade
•70 Qs
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Cuestionario de Química
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Estrella Castillos
Used 1+ times
FREE Resource
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70 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
¿Cuántas filas o periodos tiene la tabla periódica actual?
7
18
118
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
¿Cuántos elementos químicos existen actualmente, incluyendo los artificiales?
33
118
56
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
¿Qué ley observó Johann Newlands en 1864 al organizar los elementos?
Ley de las masas atómicas
Ley de las octavas
Ley de los triados
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
¿Cuántas columnas o grupos tiene la tabla periódica actual?
18
33
7
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Los metales alcalinos pertenecen al grupo 1 de la tabla periódica.
true
false
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Los metaloides son conocidos también como semimetales.
true
false
7.
FILL IN THE BLANK QUESTION
45 sec • 2 pts
¿Cuál es el número de oxidación del hidrógeno en la mayoría de sus compuestos?
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