
Untitled Quiz
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Graciela Ccana Romero
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
La Ley de las Octavas fue propuesta por _____.
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
En una clase de química, Maya está aprendiendo sobre los metales alcalinos. Ella se pregunta: ¿Qué elemento se encuentra en la triada junto a Li y K?
Na
Be
Ca
Mg
3.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
El criterio principal que utilizó Mendeleiev para organizar la tabla periódica fue _____.
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
En una clase de química, el profesor les pregunta a los estudiantes sobre un grupo especial de elementos. Les dice: '¿Qué son los lantánidos?'
Elementos con número atómico entre 57 y 71
Elementos con número atómico superior a 89
Elementos que se obtienen artificialmente
Elementos en estado gaseoso
5.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
El grupo de la tabla periódica que incluye a los metales alcalinos es _____.
6.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
La propiedad que se define como la energía necesaria para quitar un electrón de un átomo es _____.
7.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
El tipo de enlace que se forma cuando la diferencia de electronegatividad es mayor de 1.8 es _____.
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