Is Terbium a Metal?

A soft, silvery metal. Terbium is used to dope calcium fluoride, calcium tungstate and strontium molybdate, all used in solid-state devices.

What type of metal is terbium?

Terbium is a soft, malleable, ductile, silver-gray metal member of the lanthanide group of the periodic table. It is reasonably stable in air, but it is slowly oxidised and it reacts with cold water.

Is rhenium a metal or nonmetal?

Rhenium (Re), chemical element, a very rare metal of Group 7 (VIIb) of the periodic table and one of the densest elements.