Question

guys plz guve valency and symbol of these​

Answer 1

Answer:

NO3^-

OH^-

HCO3^-

HSO3^-

Al^+3

MnO4^-

O2

S8

SO^-2

CO3^-2

Cr2O7^-2

ZnO2^-2

PbO^-2

PO4^-3

N2

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