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Terbium

Symbol: Tb
Atomic Mass/Weight: 158.9254 AMU
Atomic Number: 65
Oxidation State (Bold Most Stable):  +3,+4
Melting Point: 1630 K
Boiling Point: 3496 K
# of Isotopes: 1
Electron Configuration: [Xe] 4f9 6s2
Lewis Dot Diagram:
Terbium - Lewis Dot Diagram