73Ta
Tantalum
탄탈럼 · タンタル
Transition metal
Atomic number73
ElementTa — Tantalum
Atomic mass180.95
CategoryTransition metal
Group5
Period6
Electron config[Xe] 4f14 5d3 6s2
Shells2,8,18,32,11,2
State (RT)Solid
Melting pt3017°C
Boiling pt5458°C
Electronegativity1.5
Discovered1802
Main usesCapacitors, surgical implants
2 · 8 · 18 · 32 · 11 · 2