Repaso de Estructura Atómica
Authored by Patricia Ayala
Chemistry
10th Grade
Used 1+ times
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué partículas subatómicas se encuentran en el núcleo de un átomo?
Protones y electrones
Solo neutrones
Protones y neutrones
Electrones y neutrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La partícula que define la identidad de un elemento químico es:
El electrón
El neutrón
El protón
El fotón
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El Número Atómico (Z) de un elemento indica:
La cantidad de neutrones en el núcleo.
La suma de protones y neutrones.
La cantidad de protones en el núcleo.
La cantidad de electrones en un ion.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El Número Másico (A) se calcula como:
El total de protones.
La suma de protones y electrones.
La suma de neutrones y electrones.
La suma de protones y neutrones.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los átomos de un mismo elemento que tienen diferente número de neutrones (y por tanto, diferente Número Másico) se llaman:
Iones
Isótopos
Cationes
Isómeros
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama la zona del átomo que rodea al núcleo y contiene a los electrones?
Zona nuclear
Zona de valencia
Zona extranuclear
Orbital atómico
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo que pierde uno o más electrones se convierte en un:
Anión, con carga negativa.
Catión, con carga positiva.
Isótopo, con diferente masa.
Átomo neutro.
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