42Mo
Molybdenum
몰리브데넘 · モリブデン
Transition metal
Atomic number42
ElementMo — Molybdenum
Atomic mass95.95
CategoryTransition metal
Group6
Period5
Electron config[Kr] 4d5 5s1
Shells2,8,18,13,1
State (RT)Solid
Melting pt2623°C
Boiling pt4639°C
Electronegativity2.16
Discovered1781
Main usesHigh-strength steel, catalysts
2 · 8 · 18 · 13 · 1