Substâncias Iónicas
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Luísa Nogueira
Used 16+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
As substâncias iónicas ou compostos iónicos, como o cloreto de sódio, NaCℓ, são ...
... átomos
... constituídas por um catião e um anião.
... iões
... constituídas, apenas, por dois catiões ou por dois aniões.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A unidade estrutural denomina - se:
ião cloro
ião de cloro
ião cloreto
átomo de cloro
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No cloreto de magnésio, MgCℓ2, a proporção entre o ião magnésio e o ião cloreto é ...
... 1 : 1
... 1 : 2
... 2 : 1
... 0 : 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao símbolo químico K corresponde o nome ...
... potássio
... fósforo
... sódio
... enxofre
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
No hidróxido de ferro (III), Fe(OH)3, há ...
... 3 átomos de ferro, 1 átomo de oxigénio e 3 átomos de hidrogénio
... 1 átomo de ferro, um átomo de oxigénio e 1 átomo de hidreto
... 1 átomo de ferro, 3 átomos de oxigénio e 3 átomos de hidrogénio
... 3 átomos de ferro, 3 átomos de oxigénio e 3 átomos de hidrogénio
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No sulfato de hidrogénio, H2SO4, a proporção entre o catião e o anião é 2 : 1. Os dois iões constituintes desta substância iónica são ...
... e
... e
... H e
... e
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No fosfato de hidrogénio, , ao ião fosfato corresponde a representação simbólica ...
...
...
...
...
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