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Bismuth (Bi)
Element with atomic number 83, category: Post-transition metal, a solid at room temperature.
Element 83 of 118
Post-transition metal
Bismuth
Group 15, Period 6
Common Uses
Stomach medicine
Electron Diagram
About Bismuth
Bismuth is a chemical element with the symbol Bi and atomic number 83, meaning every atom has 83 protons in its nucleus. It is classed as Post-transition metal and is a solid at room temperature. Its atomic mass is about 208.980 atomic mass units (u).
On the periodic table, Bismuth sits in group 15, period 6, which determines how many electron shells it has and how it tends to react with other elements.
Uses of Bismuth
In daily life and industry, Bismuth is used for Stomach medicine. These uses are closely tied to the typical properties of elements in the Post-transition metal category.
Electron Structure of Bismuth
Using a simplified electron shell model (at most 2 electrons in the first shell, 8 in the second, 18 in the third, and so on), Bismuth has 5 electron shells, with an approximate arrangement of 2, 8, 18, 32, 23 electrons from the innermost shell to the outermost. This is a simplified learning model, not the full electron configuration that accounts for the s, p, d and f subshells.
Explore Other Elements
Want to see another element or try the element symbol quiz? Go back to the Interactive Periodic Table to explore all 118 chemical elements.