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Britannica Sources used in this answer

What is the atomic number of bismuth?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
A labeled periodic table element box for bismuth shows atomic number 83, symbol Bi, atomic weight 208.9804, electron configuration, and properties including solid state, rhombohedral crystal structure, and weakly acidic oxides.
bismuth Properties of bismuth.

The atomic number of bismuth is 83.1