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Jugar Relacionar Columnas

Fe2O3

CO2

K2CrO4

KOH

CH4

K2Cr2O7

NaNO3

Cu

MgO

ZnCl2

(+3) (-2)

(+1) (+6) (-2)

(+4) (-2)

(+2) (-2)

(-4) (+1)

(+1) (-2) (+1)

(+1) (+6) (-2)

(+2) (-1)

(+1) (+5) (-2)

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