a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys, keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3

a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys, keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3