
Formulas quimicas; reações
Authored by Maria joão Chora
Chemistry
8th Grade
Used 23+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Observa atentamente a representação simbólica Ca2+.
Representa um anião monoatómico
Representa um catião monoatómico
Representa um anião poliatómico
Representa um catião poliatómico
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Observa atentamente a representação simbólica PO43-.
Representa um catião poliatómico.
Representa um catião monoatómico.
Representa um anião poliatómico.
Representa um anião monoatómico.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considera o catião monoatómico Ca2+. Este ião resulta de...
átomo que captou 2 eletrões
átomo que perdeu 2 eletrões
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Indica o nome da seguinte substância iónica: AgNO3
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Indica o nome da seguinte substância iónica: Al(SO4)3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Indica a fórmula química da seguinte substância iónica: Brometo de sódio
Atenção: deves consultar a tabela de iões.
BrNa
Na1Br1
NaBr
Na1Br1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Indica a fórmula química da seguinte substância iónica: Sulfato de cobre (II)
Atenção: deves consultar a tabela de iões.
Cu2+SO42-
Cu2SO42
CuSO4
SO4Cu
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