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Valența

Asociază atomii/ grupările de atomi cu valențele corecte.

QuestionAnswer
aluminiu metal, valența III
heliu gaz nobil
sodiu metal, valența I
clor nemetal, valența I
oxigen nemetal, valența II
calciu metal, valența II
sulfat grupare, valența II
azotat grupare, valența I
hidroxil grupare, valența I
hidrogen nemetal, valența I
Created by: clia
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