83Bi
Bismuth
비스무트 · ビスマス
Post-transition
Atomic number83
ElementBi — Bismuth
Atomic mass208.98
CategoryPost-transition
Group15
Period6
Electron config[Xe] 4f14 5d10 6s2 6p3
Shells2,8,18,32,18,5
State (RT)Solid
Melting pt271°C
Boiling pt1564°C
Electronegativity2.02
Discovered1753
Main usesPepto-Bismol, low-melt alloys
2 · 8 · 18 · 32 · 18 · 5