terbium

Atomic number: 65
Atomic weight: 158.92534
Symbol: Tb
Group number: (lanthanide)
Electronic configuration: [Xe].4f⁹.6s²

Physical data

Standard state: solid at 298 K
Colour: silvery white
Density of solid at ambient temperature/kg m-3: 8219
Molar volume/cm3: 19.3

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