Periodic Table of Elements

83

Bismuth

208.98

Bismuth was discovered by Claude Geoffroy of France in 1753.

Name: Bismuth
Symbol: Bi
Atomic number: 83
Atomic weight: 208.98
State: solid
Group, period, block: 15, 6, p
Color: lustrous silver
Classification: post-transition metal
Electron configuration: 4f14 5d10 6s2 6p3
2,8,18,32,18,5

Physical properties

Density: 9.78 g/cm-3
Melting point: 544.7 K,271.5 C,520.7 F
Boiling point: 1837 K,1564 C,2847 F

Atomic properties

Oxidation states: 5, 4, 3, 2, 1
Electronegativity: 2.02 (Pauling scale)
Ionization energies: 1st: 703 kJmol-1
Covalent radius: 1484 pm
Van der Waals radius: 207 pm
  • Bi
  • Electron Configuration

Isotopes

There is one naturally occurring isotope of bismuth exists, 209Bi.