
Ciencias Naturales - 9th B
Authored by Gabriel Romero
Science
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
¿ Cómo está formada una estructurada atómica ?
Protón , Electrón , Neutrón.
Átomos y Neutrones.
Atomo , molécula y neutrón.
Electrón y Neutrón.
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Es la unidad más pequeña posible de un elemento químico:
Átomo.
Neutrón.
Protón.
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
El protón fue descubierto a principios del siglo xx por :
Ernest Rutherford.
J.J Thomson.
Bohr.
Walter Bothe.
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Símbologia de los elementos: como se simboliza los siguiente elementos químicos.
Oxígeno
Carbono
Oro
Plata
O, Au , C y Cl.
O, C, Au y Al.
O, C, Au y Ag.
Au, Cl, C, y Ag.
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Compuesto químico de el agua :
H2O
HO2
HO2
HO
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Este postulador químico sugiere un modelo atómico que tomaba en cuenta la existencia del electrón descubierta por el en 1897. Corresponde a :
Modelo de Joseph Thomson.
Modelo de Ernest Rutherford.
Modelo de Boorh.
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Se le conoce como el padre de la era nuclear.
Demostró la existencia del núcleo atómico.
Joseph Thomson
Ernest Rutherford .
Bohr.
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