
2DO QUIM CAP 19
Authored by José Carlos Torres Varillas
Chemistry
2nd Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuántos electrones de valencia tiene un átomo neutro que posee 38 protones?
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El potasio (Z=19) es un elemento que al ionizarse:
Gana 1 electrón
Pierde 2 electrones
Gana 2 electrones
Gana 3 electrones
Pierde 1 electrón
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mencione cuáles son características de un compuesto iónico:
I. Disueltos en agua y fundidos son malos conductores.
II. Tienen estructura amorfa.
III. Su diferencia de electronegatividad es mayor o igual a 1,7.
I, II
II, III
Sólo II
I, III
Sólo III
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué compuestos presentan enlace iónico?
I. CO2
II. O2
III. NaI
Sólo II
I, III
Sólo III
II, III
I, II
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Al combinarse X (EN = 3,5) con Y (EN = 1,8), ¿Qué enlace formarán?
Covalente
Metálico
Iónico
Fuerzas de London
Puente de hidrógeno
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Al combinarse A (EN = 2,4) con B (EN = 1,1), se formará enlace:
Iónico
Metálico
Covalente
Puente de hidrógeno
Fuerzas de Van der Walls
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Al enlace iónico también se le llama _______________ y hay una _______________ de electrones
Covalente - transferencia
Coordinado - compartición
Metálico - transferencia
Polar - compartición
Electrovalente - transferencia
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