
Repaso
Authored by Elizabeth Ramirez
Chemistry
1st - 5th Grade
Used 4+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántos protones tiene un elemento, si presenta A= 80 y n= 20)
30
60
40
80
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿CUÁNTO DE MASA TIENE, SI UN ELEMENTO PRESENTA; A= 4(X-2), Z=30, n= 3x?
114
144
38
120
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Indica el periodo y grupo de z= 7
Periodo: 2
Grupo: 3
Periodo: 2
Grupo: VA
Periodo: 2
Grupo: III A
Periodo: 3
Grupo: VA
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Indica grupo y periodo de z= 20
Periodo: 4
Grupo II B
Periodo: 2
Grupo I VA
NO SÉ
Periodo: 4
Grupo II A
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Halla el estado de oxidación del calcio si (CaO2). RECUERDA QUE EL OXIGENO TIENE -2
+4
+2
-4
+6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cómo se llama el compuesto MgO, según Iupac? Mg= Magnesio
Óxido de magnesio
Monoxido de monomagnesio
Monoxido de magnesio
Óxido de monomagnesio
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El nombre de Na(OH)2
Dihidróxido de sodio
Hidroxido de sodio
Hidróxido de disoio
No se
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