¿Qué átomo tiene mayor cantidad de neutrones?
Examen de quimica Anual San Marcos

Quiz
•
Chemistry
•
11th Grade
•
Medium
katerin centeno
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo presenta numero de masa igual a 90, y la cantidad de neutrones es el doble de la cantidad de protones, hallar la cantidad de protones.
20
40
50
30
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un átomo presenta 15 electrones, cual sera el periodo y grupo de ese átomo
periodo 3, grupo 15
periodo 4, grupo 15
periodo 3, grupo 5
periodo 3, grupo 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La tabla periodica se ordena en grupos y periodos, indicar la expresion verdadera de las siguientes
Los grupos son las filas verticales
Todos los periodos tienen la misma cantidad de elementos
Hay 16 periodos en total
Hay 9 periodos en total
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agrupo a los elementos quimicos en triadas
Dobereiner
Newlands
Mendeleiev
Aristoteles
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