Química Minera - Examen Parcial
Authored by Jose Rosario
Chemistry
University
Used 1+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un elemento, se cumple que A = 20, Z = 2X, N = 12. Hallar "x".
4
3
5
8
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un elemento, se cumple que A = 3x + 7; Z = x + 1; N = 12. Hallar "x".
5
4
3
2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un elemento, se cumple que A = 31; Z = 17; N = 3x - 1. Hallar "x".
3
4
5
6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un elemento, se cumple que A = 23; N = 15; q = +2. Hallar el número de electrones.
6
5
7
9
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tipos de cargas eléctricas tienen los Protones, Neutrones y electrones respectivamente:
positivo - negativo - neutro
neutro- negativo - positivo
positivo - neutro- negativo
negativo - neutro . positivo
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El NÚMERO ATÓMICO se representa con la letra ........ mayúscula.
M
A
Z
p+
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El número de masa se representa con la
letra ....... mayúscula.
A
Z
e-
p+
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