
CIENCIAS
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
MAYRA MANRIQUE
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El átomo esta conformado por :
Electrones, Neutrones en el nucleo
Electrones, Protones en el nucleo
Protones, Neutrones en el nucleo
Electrones, Protones en la orbita
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aristoteles
Filosofo griego, quien dio origen a la teoria atomica
Filosofo griego partidario de la teoria de los cuatro elementos
Filosofo Romano , partidario de la teoria de los cuatro elementos
Partidario del origen atomico de la materia
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cantidad de protones y electrones que tiene un atomo esta dada por:
El número atomico ( Z )
El número másico
El número de protones y neutrones
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un elemento químico tiene un número de masa de
197 y un número atomico de 79
Tiene 79 electrones y 110 Neutrones
Tiene 79 electrones y 118 Neutrones
Tiene 197 electrones y 79 protones
Tiene 118 neutrones y 197 protones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nucleo atomico es estable debido a:
Que posee protones
Que posee electrones
Que posee neutrones
Ninguna de las anteriores
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El atomo es una esfera compacta
Teoria de Rutherford
Teoria de Dalton
Teoria de Borh
Teoria de Aristoteles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unidad mas pequeña de la materia se denomina
molecula
atomo
elemento
esfera
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