China Wholesale Cadmium Bar Ingot

Bismuth was previously considered to be the most stable element with the largest relative atomic mass, but in 2003, it was found that bismuth had extremely weak radioactivity, and its half-life was determined to be 1.9 × 1019. This means that bismuth may not undergo visible decay before the demise of mankind.

Bismuth is a metal element with the element symbol Bi and atomic number 83. It is located in Group VA of the sixth period of the periodic table. The simple substance is silver white to pink metal, which is fragile and easy to crush, and the chemical property of bismuth is relatively stable. Bismuth exists in nature as free metals and minerals.