Who discovered thulium?

Answer 1

Jons Jakob Berzelius (Sweden) in 1815 observed a new oxide in a mineral and proposed the name thorium for the metal.

In 1824 Berzelius renounced to this hypothesis.

But in 1829, after new studies he published a scientific article about the new element thorium.

Answer 2

Thallium was spectroscopically discovered in 1861 by English chemist, Sir William Crookes.

Answer 3

Paul-Emile Lecoq de Boisbaudran was the French chemist who discovered the element Gallium. He also discovered the elements Samarium and Dysprosium.

Answer 4

The major source of commercial thallium is the trace amounts found in copper, lead, zinc, and other sulfide ores.

Answer 5

Thulium was discovered by Swedish chemist Per Teodor Cleve in 1879.

Answer 6

Technetium was discovered by Emilio Segre and Carlo Perrier in 1936 at the University of Palermo, Sicily, Italy.

Answer 7

Per Teodor Cleve, a Swedish chemist, first discovered thulium in 1879 while working in the lab. He identified the element in a sample of the mineral erbia.

Answer 8

nothing!!!!!