Química Prueba 2
Quiz
•
Chemistry
•
9th Grade
•
Hard
Becca Martínez
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántos electrones tiene un átomo neutro con un número atómico Z= 34 y una masa atómica A= 79?
32 electrones
34 electrones
45 electrones
79 electrones
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántos protones (p), electrones (e) y neutrones (n) tiene un átomo eléctricamente neutro de argón (Ar)? Considera Z= 18 y A= 40.
18p, 18e y 18n
18p, 22e y 22n
18p, 18e y 22n
22p, 18e y 22n
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un átomo de níquel con un número atómico igual a 28 obtiene una carga de +2, ¿Cuántos electrones tiene finalmente?
26 electrones
25 electrones
30 electrones
32 electrones
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántos electrones máximos son permitidos en el nivel 6 o P?
32 electrones
8 electrones
2 electrones
18 electrones
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántos electrones de valencia tiene un átomo de azufre con un número atómico igual a 16? Tip: arma su configuración electrónica.
8 eV
2 eV
6 eV
10 eV
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ser dúctil, maleable y buen conductor de la electricidad no son características de un:
no metal
alótropo
isótopo
metal
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Capacidad de un átomo para atraer los electrones de otro átomo hacia sí al momento de unirse en un enlace químico:
Energía de ionización
Electronegatividad
Afinidad electrónica
Regla del octeto
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