ashanti0203
Answered

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Determine the oxidation number of...
a. S in SO3-2
d. Cr in Cr2O7-2
b. S in S04-2
e. Cu in Cuzo
c. S in SO2
f. O in H2O2

Sagot :

trishacutie59

Answer:

D. Cr in Cr207-2

Explanation:

i hope that helps

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