Symbol
Bi
Atomic Number
83
Atomic Mass
208.9804
Protons
83
Neutrons
125
Electrons
83
Type
Post-Transition Metal
Isotopes
Bismuth-209
Discovery Year
1753
Discovered By
Claude Louis Berthollet
Group
15
Period
6
Boiling Point
1564°C
Melting Point
271.4°C
Electron Configuration
[Xe] 6s² 4f¹⁴ 5d¹⁰ 6p³
Density (g/cm³)
9.78
Crystal Structure
Rhombohedral
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.0002%
Phase at Room Temperature
Solid