Terbium is a silver-white element.
It occurs in the solid-state at standard temperature and pressure.
It’s melting point is 1629 K.
Its boiling point is 3396 K.
Its density is 8.23 g/cm3.
Its heat of fusion is 10.15 kJ/mol.
Its heat of vaporization is 391 KJ/mol.
Its molar heat capacity is 28.91 J/mol.K.
It shows five oxidation states: 0, +1, +2, +3, +4.
It is soft, malleable, and ductile in nature.
Below 219 K temperature, it possesses ferromagnetic properties and above 219 K temperature, it possesses antiferromagnetic properties.
Terbium being electropositive in nature oxidises when reacts with an acid.