
Atómo
Authored by Margarita Izquierdo
Science, Chemistry
12th Grade
Used 5+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Las especies Cr y Cr3+ se diferencian en:
I. El número de electrones
II. El número de protones
III. El estado de oxidación
Solo I
Solo II
Solo III
Solo I y II
Solo I y III
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
En el catión Ca2+, cuyo número atómico es 20, hay:
18 protones y 20 electrones
20 protones y 18 electrones
20 protones y 20 electrones
20 protones y 22 electrones
22 protones y 20 electrones
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Cual de los siguiente iones tiene mayor numero de electrones?
S2-
Mg2+
Na+
F-
N3-
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Las especies neutras: 3616 S y 3617 Cl
Tienen igual numero de:
Protones
Neutrones
Electrones
Protones + electrones
protones + neutrones
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Al As3- posee 36 electrones y su número másico es 74. Entonces; el número atómico Z y el número de neutrones N son respectivamente:
33-41
36-74
33-38
30-38
30-41
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Cuando un átomo de sodio se convierte en catión:
Cede un electrón
Capta un electrón
Capta un protón
Capta un protón y un electrón
Capta unprtón y cede un electrón
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Los átomos 3517 Cl y 3717 Cl se diferencian en:
El número atómico
La electronegatividad
Dos electrones
Dos protones
Dos neutrones
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