neodymium (Nd)
Biology

neodymium (Nd)



Term: neodymium (Nd)
Literally meaning: ?pertaining to new twin?
Origin:  
????/neos(new)
+???????/didimos(=twin)
The element called ?neodymium? because it was isolated from material named ?didymium? and forms greenish-brown salts.

Coined/History 
In 1882   Bohuslav Brauner announced that ?didymium? incorrectly was said by Carl Mosander to be a new element (1841). In 1885 Baron Carl Auer Welsbach (1858-1929) recognized that ?didymium? was consisted of two new elements: praseodimium and neodymium. Welsbach reacted ?didymium? to form greenish-brown praseodymium and pink neodymium salts.
Definition
The element neodymium is a lustrous silvery-yellow metal with atomic number 60 and atomic mass 144,2. It is used with iron and boron to create powerful permanent magnents(NIB) ans as crystal in lasers. 





- Thulium (tm)
Term: thulium (Tm)Literally meaning: ?pertaining to Thoule land?Origin According Greek explorer Pytheas of Massalia (4 t6h cen BC)  Thoulewas the northernmost habitable region of the world. Pytheas about 330 BC was travelled to England and then...

- Lanthanum (la)
Term: lanthanum (La)Literally meaning: ?pertaining to hidden?Origin: ???????/lanthano(= to be hidden, to escape notice) .The element called lanthanum because it is ?hidden? in rare minerals. Coined/History  Lanthanum was isolated in the mineral...

- Barium (ba)
Term: barium (Ba)Literally meaning: ?pertaining to heavy?Origin: Anc Greek?????/varys(=heavy) The element was called barium because it is found in baryte(BaSO4),  a mineral which had been given its name because of its high Coined/History  Barium...

- Molybdenium (mo)
Term: molybdenium (Mo)Literally meaning: ?pertaining to lead?Origin: Anc Greek????????/molybdos(=lead)Coined/History  In 1778, Swedish chemist Carl Wilhelm Scheele (1742-1786) claimed that molybdena (MoS2)  was an ore of a distinct new element,...

- Bromine (br)
Term: bromine (Br)Literally meaning: ?unpleasant odor?Origin: Anc Greek?????? ? ??????/vromos(=unpleasant odor)Coined/History Bromine discovered independently by German Carl Lowig (1803-1890) in 1825 from a mineral...



Biology








.