Thulium is pronounced as THOO-lee-em. History and Uses: Thulium was discovered by Per Theodor Cleve, a Swedish chemist, in 1879. Cleve used the same method ... |
Thulium was discovered by Per Teodor Cleve, a Swedish chemist, in 1879. Cleve discovered two new materials that were brown and green in color. |
Thulium was discovered by Swedish chemist Per Teodor Cleve in 1879 by looking for impurities in the oxides of other rare earth elements (this was the same ... |
The chemical element thulium is classed as a lanthanide and rare earth metal. It was discovered in 1879 by Per Teodor Cleve. |
23 янв. 2018 г. · Thulium is one of the rarest of the rare earth metals. This silver-gray metals share many common properties with other lanthanides but also ... |
24 июл. 2013 г. · Thulium is named for Thule, the earliest name for Scandinavia. Discovery: This rare earth was discovered by Sweedish chemist Per Teodor Cleve in 1879. |
Thulium oxide (holmia) was present as an impurity in the erbia. The element is named after Thule, the ancient name for Scandinavia. |
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