
Formulació inorgànica
Authored by Maria Corbella
Chemistry
8th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Li, Na, K, Rb, Cs i Fr tenen nombre d'oxidació:
I
-I
II
-II
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca i Al tenen nombre d'oxidació:
Ca (I) i Al(II)
Ca (II) i Al (II)
Ca (II) i Al (III)
Ca (III) i Al (III)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Els "sulfurs de ferro" possibles son:
sulfur de ferro
sulfur de ferro (II)
sulfur de ferro (II) i sulfur de ferro (III)
sulfur de ferro (I), sulfur de ferro (II) i sulfur de ferro (III)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'hidròxid de zinc és:
ZnOH
Zn(OH)2
Zn(OH)3
No és correcte ja que té més d'un nombre d'oxidació
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'ió fluorur, clorur i bromur tenen valència (exemple: fluorur de calci):
-I
I
I, III, V i VII
No existeixen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'òxid de ferro (II) és:
FeO
Fe2O
FeO2
Fe2O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El nitrat de magnesi és:
Mg(NO3)2
Mg2(NO3)
Mg2(NO3)2
MgNO3
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