atomos
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
Ruth Aguilar
Used 232+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El átomo está conformado por
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico de un elemento se simboliza con la letra
A
B
P
Z
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El número atómico ( Z) me indica:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El segundo elemento de la tabla periódica es
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Señale el número atómico (Z) del Hidrógeno
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El siguiente elemento tiene 21 neutrones. Determine la masa del elemento.
20
21
41
40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo neutro posee 15 protones y 10 neutrones. ¿Cuántos electrones tiene?
15
10
25
5
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