"Bismuth is a chemical element with symbol Bi and atomic number 83. Classified as a post-transition metal, bismuth is a solid at room temperature."@en . "National Center for Biotechnology Information (2024). PubChem Element Summary for Atomic Number 83, Bismuth. Retrieved June 24, 2024 from https://pubchem.ncbi.nlm.nih.gov/element/Bismuth." . "2024-06-24T11:28:52"^^ .