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Bunch à chimie


LaRateATouille
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 Salut @LaRateATouille! (encore moi ahah)

 

dans les peroxydes no(O) vaut -I (Na2O2 est un peroxyde, tu dois connaître le cas classique H2O2 je suppose, là c'est la même)

 

en plus dans le livre de Nancy l'année dernière elle marquait "n.o des alcalins = +I"

 

c'est plus clair ?

 

Edited by Hiboux
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