krypton (Kr)
Biology

krypton (Kr)



Term: krypton (Kr)
Literally meaning: ?hidden?
Origin: Anc Greek
??????/crypto(=hide, cover)
Coined/History 
The element was discovered in 1898 by  Scottish chemist (sir) William Ramsey (1852-1916) and his assistant English chemist Morris  Travers (1872-1961). The two scientists managed to isolate krypton after boiling away water oxygen, nitrogen, helium and argon from liquefied air.
Definition
Crypton is a chemical element with atomic number 36 and atomic mass   83.798. It is colorless and odorless noble gas with applications in photography and lighting. Unfortunately the high cost of obtaining krypton from the air has limited its practical use. 




- 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...

- Argon (ar)
Term: argon (Ar)Literally meaning: ?slow?Origin: Anc Greek'á??ü? < 'á???ü?(=lazy, idle, not working the ground, living without labor) Coined/History  William Ramsey (1852-1916) The name is a reference to the fact...

- Neon (ne)
Term: neon (Ne)Literally meaning: ?new?Origin: Anc Greek????/neos(=new)Coined/History  It is amazing that in 42 days in 1908 English chemist Morris W. Travers (1872?1961) discovered three chemical elements neon, xenon, and krypton.  From 1895...

- Helium (he)
Term: heliumLiterally meaning: ?pertaining to sun?Origin: Anc Greek?ç???? (or according Homer ???????/yelios)/helios (=sun)  of unknown etymology  probably from ?ç///(certainly, indeed, always) and verb ????/elao(=move)  >?????????/elefsomai(=go...



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