Examen química segundo
Quiz
•
Chemistry
•
2nd Grade
•
Hard
Juanca Juanca
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6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Del siguiente elemento desconocido, podemos marcar correctamente
(74X20)
Presenta 20 neutrones y 54 protones
Posee 74 de número másico y 20 protones
Posee 20 protones y 54 neutrones
Presenta 74 protones y 54 neutrones
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La suma de los números de masa de un isótono es 117, y la suma de sus protones es 77. Calcular el número de neutrones en común que presenta ambos elementos
Presenta 194 neutrones
Presenta 97 neutrones
Presenta 10 neutrones
Presenta 20 neutrones
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Elija el casillero que presente mayor energía relativa (E.R)
6s
5p
4f
3d
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine el número atómico de un átomo, cuya configuración electrónica acaba en 4s1
32
19
34
20
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uno de los siguientes elementos no pertenece al grupo IVA
Carbono(C)
Antimonio(Sb)
Germanio(Ge)
Plomo(Pb)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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