41Nb
Niobium
나이오븀 · ニオブ
Transition metal
Atomic number41
ElementNb — Niobium
Atomic mass92.906
CategoryTransition metal
Group5
Period5
Electron config[Kr] 4d4 5s1
Shells2,8,18,12,1
State (RT)Solid
Melting pt2477°C
Boiling pt4744°C
Electronegativity1.6
Discovered1801
Main usesSuperconducting magnets, steel
2 · 8 · 18 · 12 · 1