Terbium (Tb) in the periodic table — PeriodicTable

Terbium (Tb) in the periodic tableTerbium is element 65, a lanthanoid of the f block, in period 6. Its ground-state configuration is [Xe] 4f9 6s2, and it usually shows the oxidation states 0, 3, 4.It was discovered in 1843, by Mosander.Name origin: Ytterby, Sweden. Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

158.92535

Da

Electronegativity

1.2

First ionisation energy

565.8

kJ/mol

Melting point

1629

K

Boiling point

3503

K

Density

8.229

g/cm³

Abundance

1.2

mg/kg

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