Devolution is the. a. passing of authority from the national government to the state and local levels. b. expansion of national authority that began in the 1930s. c. contraction of state authority and the expansion of local government authority.
Hello, There you go. The French chemist Paul-Emile Lecoq de Boisbaudran (1838â1912), who discovered it in 1875. Gallium (Latin Gallia meaning Gaul; also gallus, meaning rooster) was discovered spectroscopically by Lecoq de Boisbaudran in 1875 by its characteristic spectrum (two violet lines) in an examination of a zinc blende from the Pyrenees.
Tellurium was discovered in the Habsburg Empire, in 1782 by Franz-Joseph Mueller mÃ¼ller Von reichenstein in a mineral containing tellurium and. Gold Martin Heinrich klaproth named the new element in 1798 after The latin word for, earth. Tellus gold telluride minerals are the most notable natural gold. compoundsaturally occurring tellurium has eight isotopes. Five of those isotopes, 122 Te, 123 Te, 124 Te, 125 Te and 126 Te, are stable. The other three, 120 Te, 128 Te and 130 Te, have been observed to be radioactive.