
Estructura Atómica - I°Medio 2022
Authored by Sergio Andrés
Chemistry
1st Grade
Used 7+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de electrones de un átomo neutro se determina con :
el número másico (A)
el número atómico (Z)
el número de neutrones
el símbolo químico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El átomo neutro se define cuando:
El número de electrones es igual al número de neutrones.
El numero de electrones es idéntico al numero de protones.
El número de protones es similar al número de neutrones.
El número de protones, neutrones y electrones son iguales.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número de electrones del siguiente ión N-3 (Z=7 y A=14)?
14
11
10
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el átomo neutro de Zirconio tiene un Z=40 y A=91, es CORRECTO afirmar que:
Tiene 40 protones y 51 neutrones.
Tiene 91 protones y 40 neutrones.
Tiene 51 protones y 40 neutrones.
Tiene 91 electrones y 51 neutrones.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el átomo neutro de Silicio tiene 14 protones, 14 neutrones y 14 electrones . La notación CORRECTA para este elemento es:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acuerdo a la siguiente notación, es CORRECTO afirmar que:
Corresponde a catión y presenta 34 electrones.
Corresponde a un átomo neutro y presenta 15 electrones.
Corresponde a un anión y presenta 18 electrones.
Corresponde a un anión y presenta 34 electrones.
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