74W
Tungsten
텅스텐 · タングステン
Transition metal
Atomic number74
ElementW — Tungsten
Atomic mass183.84
CategoryTransition metal
Group6
Period6
Electron config[Xe] 4f14 5d4 6s2
Shells2,8,18,32,12,2
State (RT)Solid
Melting pt3422°C
Boiling pt5555°C
Electronegativity2.36
Discovered1783
Main usesLight-bulb filaments, drills, alloys
2 · 8 · 18 · 32 · 12 · 2