Quina és la fórmula de l'òxid de potassi?
Composts binaris

Quiz
•
Chemistry
•
4th Grade
•
Medium
FRANCESCA CLADERA
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Na2O
KO
K2O
PO
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Com anomenaries el compost: FeH2 ?
Hidrur de ferro
Dihidrur de ferro
Àcid ferhídric
Hidrur de ferro(III)
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quina fórmula té l' òxid de plom(II)?
Pb2O
PbO2
PbO
OPb
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quina fórmula té el fosfà?
PH2
PH4
PH3
FH3
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quin és el nom del compost: Mn2O3
Òxid de magnesi(III)
Òxid de magnesi
Òxid de manganès(III)
Òxid de manganès(II)
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quines són les valències del nitrogen?
1,5 i 7
1, 3 i 5
3 i 5
2 i 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quin és el símbol del meruri?
Mg
Hg
Me
Mn
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