NÚMERO ATÓMICO Y MÁSICO
Quiz
•
Physics, Science
•
7th Grade
•
Hard
Ferney Rosero
Used 370+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este átomo tiene...
6 protones, 7 electrones y 13 neutrones
6 protones, 6 electrones y 7 neutrones
7 protones, 7 electrones y 6 neutrones
6 protones, 6 electrones y 13 neutrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los elementos de un mismo grupo de la tabla periódica:
Tienen números atómicos consecutivos.
Se llaman isótopos.
Constituyen un periodo de elementos.
Tienen propiedades químicas similares.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número atómico del elemento Cu?
19
32
14
29
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico de un elemento es igual a:
la cantidad de electrones
la cantidad de neutrones
la cantidad de elementos libres
la cantidad de protones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El "Z" del elemento K es
19
16
22
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el elemento Selenio (Se) tiene número atómico Z=34 quiere decir que
tiene la mitad de electrones y protones; es decir, 17 electrones y 17 protones
tiene 30 protones y sólo 4 electrones
tiene 34 protones
tiene 34 electrones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
UN ATOMO TIENE 12 PROTONES, 13 NEUTRONES Y 12 ELECTRONES ¿CUÁL ÉS SU NÚMERO ÁTOMICO?
12
25
13
24
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