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No, Bismuth is a metal
bismuth bismuth bismuth
Bi is the symbol for bismuth.
No, the first is Bi(NO3)3 = Bismuth nitrate; it has 3 NO3- ions
and the other is BiO(NO3) = Bismuth oxynitrate, also called Bismuth subnitrate
Bismuth nitrate is the Bismuth salt of Nitric acid. Its formula is Bi(NO3)3