
ESTRUCTURA ATOMICA
Authored by LEONARDO QUISPE LEVA
Chemistry
7th - 8th Grade
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El número atómico ( Z) me indica:
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un elemento químico tiene un número de masa de
197 y un número atomico de 79
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el elemento sodio Na tine # atomico 11 y masa atomica 23, cuantos neutrones tiene
11
23
34
12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el elemento potasio K tiene # atomico 19 y masa atomica 39, cuantos electrones tiene si el atomo es neutro
39
19
20
58
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EL ATOMO ES:
es una sustancia que se encuentra en la tierra en altas cantidades
La unidad básica de un elemento que puede intervenir en una combinación química.
es un compuesto formado quimicamente
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En cierto átomo se cumple que la relación entre su número de protones y neutrones es como 6 es a 8. Si su número de masa es 42, calcula su número atómico (Z).
15
16
17
18
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En un átomo neutro el número de protones está en relación 2 a 3 con el número de neutrones. Si la suma de los números de masa y atómico es 175, calcula la carga nuclear.
50
18
19
49
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