Clasificación de los elemetos

Quiz
•
Chemistry
•
7th Grade
•
Hard

Wilmari Torres-Ortiz
Used 3+ times
FREE Resource
12 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
¿Cuál es el número atómico del elemento Xe?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué debes identificar en la tabla periódica para determina la cantidad de niveles de energía de un elementos?
Periodos
Grupos
Número átomico
Protones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número átomico del siguiente elemento K (Potasio) ?
39.0983
40
20
19
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se clasifican los siguientes elementos?
Mg (magnesio) , Ba (Bario) y Al (aluminio)
Metal
No metal
Metaloide
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
¿Cuántos electrones de valencia tiene el elemento Br
(Bromo)?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de protones y electrones será siempre el mismo si el elemento se encuentra estable.
Cierto
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Protones + Electrones = Masa
La suma de protones y electrones es el resultado de la masa atómica.
Cierto
Falso
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