The most noteworthy substance identified was tungsten, discovered only 180 years ... d'Elhuyar isolated the pure element of this metal in 1783, giving it the name it still uses today.

The most noteworthy substance identified was tungsten, discovered only 180 years ... was discovered only in 1781 by K.W. Scheele. The pure element was isolated in 1783 by the brothers J.J. and ...