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Thulium

Symbol: Tm
Atomic Mass/Weight: 168.9342 AMU
Atomic Number: 69
Oxidation State (Bold Most Stable):  +3,+2
Melting Point: 1818 K
Boiling Point: 2220 K
# of Isotopes: 1
Electron Configuration: [Xe] 4f13 6s2
Lewis Dot Diagram:
Thulium - Lewis Dot Diagram