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oxid de fier (III) - oxid feric
Fe2 O3
FE2 O2
FE O2
FE (OH)2
acid sulfhidric
S3(OH)2
H2 S
SOH
SHO
oxid de aluminiu (a)
CLORURA (a)
carbonat (a)
iodurat de magneziu (a)
AZOTAT DE POTASIU (a)
VALENTA FOSFOR
3,5
2,4
1
4
VALENTA CUPRU
2
1,2
1,3,4
VALENTA CLOR
1,2,4,6
2,5,3,4
1,3,5,7
VALENTA AZOT
2,3,4,5
1,4,5
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10 questions
ôn tập ancol
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